Do you offer refunds or exchanges?

Terms & Conditions JMac Customs™ LLC highly recommends a certified gunsmith complete and test the installation of all JMac parts & accessories. When using a firearm, it is important to ALWAYS wear Proper Protective Equipment, specifically ballistic rated safety glasses and standard issue shooting gloves. Be aware of others in proximity & ensure they're also wearing PPE. JMac Customs LLC is not liable for injury, damage, or death related to the usage of our products. Returns Policy If you need to return an item, please Contact Us (within 10 days of receiving your purchase) with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order. To be eligible for a return, you must provide proof of purchase, your item must be unused and in the same condition that you received it. If return is eligible & approved, the customer is responsible for shipping fees back to JMac facility as well as a 20% restock fee. Refunds (if applicable) Once your return is received, inspected, & approved, we will send you a refund notification. Your refund will be processed and a credit will automatically be applied to your credit card or original method of payment, within 7-10 business days. Exchanges (if applicable) We only replace items if our engineering team determines the sku arrived to the end-user defective or damaged. If you need to make an exchange for the same item, contact us using the Contact Form HERE , for instructions on how to send your item back. Shipping The customer is responsible for knowing the laws of their state regarding purchases made & shipped from our website. JMac Customs documents preparation of all packages that leave the facility. Packages that show GPS delivery to customer‘s location will not be refunded or replaced. Upon checkout, the customer is responsible for choosing ROUTE (third party shipping insurance provider). For lost, stolen, or damaged packages with orders NOT selected to be insured by ROUTE, the order is not eligible for refund or replacement. For lost, stolen, or damaged packages with orders selected to be insured by ROUTE, the customer is solely responsible for contacting ROUTE to assist with refund or replacement. ROUTE claims can be filed here: https://claims.route.com/ ROUTE Customer Support can be reached here: https://shoppers.help.route.com/hc/en-us For all other inquiries related to package delivery, examples: delays in transit, missing mail, research requests, collect your tracking number and order details, then contact USPS. USPS claims can be filed here: https://www.usps.com/help/claims.htm USPS missing mail requests can be filed here: https://www.usps.com/help/missing-mail.htm USPS Customer Support can be reached here: https://www.usps.com/help/contact-us.htm?_gl=1*12yv1ss*_gcl_au*MjEzMzg1NDAxNS4xNzEwNzgwNzU4*_ga*MTI3ODI1OTQ0OC4xNzEwNzgwNzU4*_ga_3NXP3C8S9V*MTcxMTAyOTc3Mi4yLjEuMTcxMTAzMDk5NS4wLjAuMA.. Return Shipping You (the customer) will be responsible for paying your own shipping costs for the return item. Shipping costs are non-refundable. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item. Return shipping labels will be provided by JMac Customs to the customer if the item being returned/exchanged is deemed defective or damaged.

What products fit my firearm?

**Note to Lanita What products fit my firearm will need to be updated with some of the newer videos we released. Looking for the Right Fit? To find products compatible with your firearm, please watch the video below and click on the appropriate Compatibility Chart for your firearm(s). If your firearm isn't listed or you're unsure about compatibility, we're happy to help—just reach out via our Contact Form . JMac Customs Configurator (Configurator is for exhibition only) Key-mount Compatibility Chart X-Series Compatibility Chart Find your Make and Model Below in the chart to determine what products are compatible, click the links to shop! Manufacturer / Importer Model / Configurator Stock / Brace Muzzle Device AR-10 6.5 / .308 / 7.62 AR 30 AR-15 .223 / 5.56 / 5.45 / .204 / 9mm AR 28 AR-15 .300 blk AR 30 AR-15 9mm Colt AR 36 Arsenal 101S AK 14 Arsenal 104FR 4.5mm 24 Arsenal 104UR 4.5mm NA* Arsenal 104UR SBR 4.5mm 24 Arsenal 106CR 4.5mm NA* Arsenal 106CR SBR 4.5mm 24 Arsenal 106FR 4.5mm 24 Arsenal 106UR Pistol/SBR 4.5mm 24 Arsenal 107CR 4.5mm NA* Arsenal 107CR SBR 4.5mm 24 Arsenal 107FR 4.5mm 24 Arsenal 107R AKM 14 Arsenal 107UR 4.5mm NA* Arsenal 107UR SBR 4.5mm 24 Arsenal SA93 AK% NA* Arsenal SAM-5 AK 14 Arsenal SAM-7-SF SF 24 Arsenal SAM-7R AK 14 Arsenal SAM7K-44 1913 24 Arsenal SLR-95 AK NA* Arsenal / Izhmash SGL 21-61 / 21-62 / 21-66 / 21-71 AKM 24 Arsenal / Izhmash SGL 21-94 5.5mm 24 Arsenal / Izhmash SGL 31-61 / 31-62 / 31-68 AKM 24 Arsenal / Izhmash SGL 31-94 / 31-95 / 31-84 / 31-85 5.5mm 24 B&T TP9 TP9 B&T Proprietary Brownells BRN-180 .300blk 1913 30 Brownells BRN-180 5.56 / .223 1913 28 Century Arms AP5 MP5~~ 28 / 3-Lug Century Arms AP5-M MP5K~~ NA* Century Arms AP5-P MP5K~~ 28 / 3-Lug Century Arms Draco US Made CAKP 14 Century Arms RAS47 AKM ? 14 Century Arms VSKA AKM 14 Century Arms C39V2 CAKP 14 Century Arms / Cugir Draco AKP 14 Century Arms / Cugir Micro Draco AKP 14 Century Arms / Cugir Mini Draco AKP 14 Century Arms / Cugir NAK-9 AKP 28*** Century Arms / Cugir RH-10 AKM 14 / 14B Century Arms / Cugir RPK / AES-10B RPK 14 Century Arms / Cugir WASR / GP 1975 / MD.63 / PM.90 AKM 14 Century Arms / Cugir WASR Paratrooper AKM 14 / 14B Century Arms / Cugir WASR-M AKM 28 CZ Scorpion EVO 3 EVO 28 DSA SA58 (Non Traditional FAL) FAL 30 FAL FAL Inch FAL 16 FAL FAL Metric FAL 16L FB Radom Beryl 5.56 AKM 14 / 14B FB Radom Beryl 7.62 AKM 14 / 14B FEG AK-63D AKMS 14 FEG AKM-63 / AK-63F AKM 14 FEG AMD-65 Pinned Muzzle Device AMD~~ 14 FEG AMD-65 Pistol / SBR AMD~~ 14 Grand Power Stribog (all models) Stribog~~ 28 H&K 5.56 G36C / G36K / G36E G36 15 H&K 5.56 HK33 / HK93 MP5~~ 15 H&K 7.62 G3 / HK91 G3 15 H&K 9mm SP5 - End Cap Fits Tight MP5~~ 28 / 3-Lug H&K 9mm SP5K - End Cap Fits Tight MP5K~~ 28 / 3-Lug IMI Galil 5.56 & 7.62 AR / ARM / SAR 13R IMI Galil 5.56 MAR 13R IWI ACE .308 All Gen ACE~~ 30 IWI ACE 5.56/5.45 All Gen ACE~~ 28 IWI ACE 7.62x39 All Gen ACE~~ 30 Izmash Saiga 12 AKM***** 22 Izmash Saiga 12K 5.5mm 22 Izmash Saiga Rifles .223 / 7.62x39 / 54r / .308 AKM***** NA* KUSA Komrad AKM 22 KUSA KP9 5.5mm 28** KUSA KR-103 AKM 24 KUSA KR-103-SFS 5.5mm 24 KUSA KR9 5.5mm 28 / 28B Molot VEPR 12 VEPR 22 Molot VEPR 12 Folding Stock VEPR-F 22 Molot VEPR 12 Slant Cut VEPR-S 22 Molot VEPR FM-AK74-21 VEPR-F 14 Molot VEPR Slant Cut Rifles (all calibers) VEPR-S 14 Norinco MAK-90 Stamped Square Cut NA* Norinco MAK-90 Stamped Slant Cut NA* PSA AK-103 Folding 4.5mm 24 PSA AK-104 Folding 4.5mm 24 PSA AK-105 Folding 4.5mm 24 PSA AK-74 AKM 24 PSA AK-74 Folding 4.5mm 24 PSA AK-E AKM 14 / 14B PSA AK-P AKM 24 PSA AK-V AKM 28** PSA GF-3 / GF-4 / GF-5 AKM 14 PSA GF-3 Side Folder 4.5mm 14 PTR 9C MP5~~ 28 / 3-Lug PTR 9CT MP5~~ 28 / 3-Lug PTR 9KT MP5K~~ 28 / 3-Lug Ruger Mini 16 SDS Imports Lynx 12 AKM 22 SIG Sauer 5.56 MCX / SIGM400 1913 28~ SIG Sauer 7.62 MCX / SIG716 / SIGM400 1913 30~ SiG Sauer 9mm MPX 1913 13.5 Steyr AUG Traditional 13L Steyr Arms USA AUG New 28 WBP AK47 762SC Jack Classic AKM 14 WBP AK47 Pistol Classic Milled Mini Jack AR 14 WBP Lynx / Mini Jack 7.62 & 556 AKMS 14 Zastava M70 YFS~~ 14 Zastava M72 YFS~~ 14 Zastava M85 YAKP~~ 26**** Zastava M92 YAKP~~ 26 Zenith Z-5P MP5K~~ 28 / 3-Lug Zenith Z-5RS MP5~~ 28 / 3-Lug * Barrel must be threaded ** Requires Crush Washer or Shims *** Early import NAK-9 were M14-1LH **** 26F X37 not compatible with M85 ***** Requires pistol grip "conversion" ~ Requiers Taper Cap 5.56 7.62 ~~ Requires 1913 Adapter % Requires Modification / Gunsmith install ? Fit not verified

What muzzle devices are compatible with my firearm?

To find which muzzle devices fit your firearm, click on the following link: https://www.jmac-customs.com/ muzzle-devices/shop-by-thread- pitch/

Which adapter(s) do I need to add a stock/brace to my firearm?

To find which products fit your firearm, select your firearm from the “Shop by Firearm” tab on the “Shop” menu on our website. If your firearm is not listed, and you’re unsure which products are compatible, please contact us via the Contact Form. https://www.jmac-customs.com/contact-form/

Which handguards are compatible with my firearm?

**Note for Lanita MMS Handguard Compatibility can be updated with some of the newer videos we released. To confirm which handguards will be compatible with your firearm, please see our handguard compatibility chart located on our “Frequently Asked Questions” menu or visit the link below. https://www.jmac-customs.com/handguard-compatibility/

How do I create an account?

To create a JMAC-Customs.com account, please register here: https://www.jmac-customs.com/login.php

I’m local to you, can I pick up my order in person?

No, we do not offer local sales or services. All orders must be conducted through the online store.

Is JMAC Customs a large corporation?

We are growing, thanks to your continued support! Justin McMillion - Owner Ashley McMillion - CEO Rob Solomon - Technical Advisor Allen Scavetta - Social Media Coordinator MDI-Co, our sister company, manufactures 90% of our products and manages 100% of our warehouse and fulfillment center.

Out of Stock Products

Be sure to sign up for in-stock notifications on the individual product page to be first to be notified when a product becomes available. Products are manufactured based on the amount of in-stock notification requests by customers. This lets us know which products are in demand and how many we need to manufacture or order.

What muzzle devices are compatible with my suppressor?

To confirm which muzzle devices will be compatible with your suppressor, please see our suppressor compatibility chart located on our “Frequently Asked Questions” menu or visit the links below. X-Series Compatibility: https://www.jmac-customs.com/x-series-devices-and-compatibility/ KeyMount Compatibility: https://www.jmac-customs.com/keymount-keymicro-devices-compatibility/

Which length stock/brace do I need?

The length of your stock/brace is personal preference. For reference, our 9” stock/brace options (without adapter) are similar in length to a factory AKM stock. Our mounts and adapters typically add 0.5” to the overall length.

Can I use your MMS Lower Handguard without the gas tube?

Yes, the MMS lower handguard will attach to your firearm without the use of the railed gas tube. Gas tubes are optional and offer additional attachment points for optics and accessories.

How do I use my store credit?

Store Credit is applied to your account and does not expire. To use your store credit, you must be logged in. During checkout, your store credit will be automatically applied to your cart.

What’s the status of my order?

Order confirmations are automatically sent out via email once the order is placed. Order status can be found using the view my order link in your confirmation email. If you did not receive a confirmation email, you may have mistyped your email address or the email was sent to your spam/junk folder.

What is your returns policy?

Returns are accepted within 10 days from the date the order was delivered. To be eligible for a return, you must provide proof of purchase, your item must be unused and in the same condition that you received it. If return is eligible & approved, the customer is responsible for shipping fees back to JMac facility. Returns for Refund incur a 20% restocking fee. Returns for Store Credit do not incur a restock fee. Store Credit is applied directly to your JMAC-Customs.com account and does not expire. You can review our full returns policy here: https://www.jmac-customs.com/shipping-returns/

Do you offer FFL services?

No, we do not offer builds, firearm sales/transfers, and/or services.

Handguard Compatibility

Click here to view Handguard compatibility.

Is backorder available for out of stock products?

No, we do not offer backorders. Be sure to sign up for in-stock notifications on the individual product page to be first to be notified when a product becomes available.

Facemount is a unique method of indexing a muzzle device against the face of the muzzle instead of against a shouldered barrel. Some firearms, such as Kalashnikov pattern rifles, will require a facemount device. To learn more about facemount devices, please see our blog post below. Facemount Devices: https://www.jmac-customs.com/blog/everything-you-need-to-know-about-facemount-devices/

Do you offer a stock/brace that locks in the folded position?

Yes, the FM-SM-1913 and FM-SM-MRKT Folding Mech is compatible with any of our 1913/MRKT adapters and will allow your stock/brace to lock in the folded position.

Can I mount an optic onto the MMS Gas Tube?

Yes, the MMS Gas Tube is a suitable mounting surface and will maintain zero.

Do you offer Dealer accounts?

Yes, Dealer Accounts are available in multiple tiers. To apply for a Dealer Account, please fill out the following form: https://www.jmac-customs.com/dealer-setup-sales/

When will my order ship?

Orders ship within 7 business days (Monday through Friday), with most orders shipping within 72 hours. Please allow additional time for processing and shipping during sales and holidays.

When will I receive my refund?

Please allow up to 10 business days for the refund to reflect on your payment method. (Returns for Refund/Cancelled Orders)

Do you offer installation services?

No, we do not offer services. We highly recommend CW Gunwerks for build or installation services.

X-Series Devices and Compatibility

Click here to view X-Series Devices and Compatibility for: X-Series Suppressor Compatibility X-Series Muzzle Devices

Can you manufacture a one-off product?

We do not offer one-offs or modifications to our products. We manufacture products in large batches and are unable to accommodate individual requests.

How can I attach my Dead Air Wolverine to my firearm?

Our TA-X56-37 adapter will convert your factory Wolverine threads into the universal 1.375-24 “HUB” thread pattern. The HUB thread pattern is compatible with any of our X37 muzzle devices as well as the Dead Air DA428 KeyMo adapter for use with KeyMount muzzle devices. To learn more, please see the following video:

I’m having difficulty unlocking my FM-SM-1913 Folding Mech.

In some cases, the folding mech requires two hands to unlock. Please see the following video: https://www.youtube.com/shorts/VPRxhhFafgs

Do I have to remove my sling loop to install the MMS Handguard?

No, when applicable we offer two versions of the MMS. One with and one without the sling loop cutout. Due to the nature of the sling loop and its direct contact with the barrel, excess heat will be transferred to the shooters hand. We recommend the removal of the sling loop to avoid burns.

What is the best form of contact?

The best way to contact JMAC Customs is via our Contact Form here: https://www.jmac-customs.com/contact-form/ We operate during normal business hours Monday through Friday. Please allow 48 hours for a response. JMAC Customs operates online only. We close in observance of holidays, weekends, and while on vacation.

KeyMount / KeyMicro Devices & Compatibility

Click here for information on the KeyMount / KeyMicro Devices & Compatibility.

Where can I find reference images / videos of your products

Please follow us on social media to see our newest products in action! Instagram | YouTube: Main | Youtube: Technical Videos | Facebook

What’s the difference between KeyMount and KeyMicro devices?

KeyMount and KeyMicro refer to the overall length of the device. Some suppressors require KeyMicro devices as the initial baffle sits closer to the device. KeyMount compatible suppressors will work with all KeyMicro devices. To find which muzzle devices fit your firearm, select your firearm from the “Shop by Firearm” tab on the “Shop” menu on our website. Alternatively, you can search for muzzle devices by thread pitch by selecting Shop by Product Type>Muzzle Devices>Thread Pitch from the “Shop” menu on our website.

Do you offer a stock/brace that folds around a side mounted optic?

Yes, the FM-SM-1913 Folding Mech is compatible with any of our 1913 adapters and will allow your stock/brace to fold flat around a side mounted optic. The FM-SM-MRKT Folding Mech with also allow your stock/brace to fold flat around side mounted optics when used with any of our MRKT trunnions.

Which devices are compatible with “X” caliber?

Unless otherwise stated, all of our devices will have a 10mm diameter bore, safe to use with any projectile smaller than that. Devices marked as “.45 Caliber” will have a 0.50” diameter bore.

Which height cheek riser do I need?

Cheek riser height is personal preference. If you prefer a lower cheek index like one achieved when using AKM iron sights, we recommend no higher than 0.25” height. If you prefer a taller cheek index like one achieved when using a 1/3rd Co-Witness optic on an AR15, then a 0.5” or 0.75” riser may be more suitable. Click here to shop our Cheek Risers .

My order was lost in transit or delivered to the wrong address

Please consider filing a Research Request or claim with USPS here: https://www.usps.com/help/missing-mail.htm USPS will then conduct an investigation and either locate and route the package to its destination, or they’ll consider the package “lost in transit” and assist you with filing a claim. If you have any questions you can contact USPS Customer Service here: 1-800-275-8777 If Route Package Protection was purchased during checkout, please refer to your confirmation email for any issues regarding delivery.

Top Selling Products of 2024

Discover Our Best-Sellers of 2024! Looking for gear trusted by firearms enthusiasts across the USA? Check out our top-selling products of 2024—customer favorites known for their performance, reliability, and innovation. From muzzle devices to folding stocks and suppressor mounts, these products stood out for a reason. See what made the list and upgrade your setup today! View them now by clicking here .

Why do some muzzle devices have a barrel length restriction?

Some muzzle devices, specifically the LAF, 2C, 4C, and original 360, will have a 10.5” barrel length restriction. Although rare, when testing these devices with supersonic ammunition, we found that high rates of fire such as full auto or “mag dumps” could cause the device to become damaged due to excess pressure and gasses from unburnt powder on shorter barrels. This is why the barrel length restriction was put in place. There is no issue with subsonic ammunition. For firearms with barrels shorter than 10.5”, please see our 360HD (Heavy Duty) muzzle device, specifically designed for shorter barrels.

Do you offer express or expedited shipping?

All orders are shipped via USPS standard parcel post. Package insurance is available during checkout through Route.

How do I install KeyMount, KeyMicro, or X-Series muzzle devices?

JMac Customs recommends that all suppressor mounts be installed and checked for alignment by a certified professional. Serious damage could result to your suppressor/firearm and physical harm is possible if installed/used incorrectly. All suppressor mounts MUST be tight against the shoulder or face of the barrel, using shims or face-milling method. Click to contact us if you have any questions or need a recommendation for professional installation. JMac Customs LLC is not liable for injury, damage, or death related to the usage of this product. JMAC Customs recommends that devices intended to be used with suppressors are installed using Rockset and torqued to 30-40 in/lbs.

Do you ship internationally?

No, we do not ship internationally. For international sales, please see one of our certified dealers. Brownells Rainer Arms RTG Parts Optics Planet Arms of America Primary Arms Palmetto State Armory

Can I cancel my order?

It is possible to cancel some orders, however, once the fulfillment process has begun, we can no longer cancel orders. To inquire about order cancellation, please use the Contact Form here: https://www.jmac-customs.com/contact-form/

Can you add or remove an item from my order?

We are not able to alter existing orders. If your order has not processed, we may be able to cancel the order and you can place a new order with the correct products. To inquire please use the Contact Form here: https://www.jmac-customs.com/contact-form/

Muzzle Devices - Page 2 - JMac Customs LLC

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2C|360 P-Series Mount

X20

MSRP Sale $96.91 - $204.85

MSRP

The RRD Recoil Reduction Device is a lightweight, multi-functional muzzle device engineered for unmatched firearm control. Its primary function is to drastically reduce recoil and muzzle rise by diverting gases 90° to the side and upward. During...

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MSRP Sale $96.91 - $204.85

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2C|360 Alpha Mount

X12

MSRP Sale $87.96 - $186.96

MSRP

The RRD-2C is a shortened version of our popular RRD-4C, offering effective recoil mitigation while maintaining a more compact design. By removing the two smallest ports from the RRD-4C, this muzzle brake still delivers exceptional muzzle control and...

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MSRP Sale $87.96 - $186.96

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RRD® Shotgun Brake

RRD-SG

MSRP Sale $139.95 - $229.95

MSRP

The RRD Recoil Reduction Device is a lightweight, multi-functional muzzle device engineered for unmatched firearm control. Its primary function is to drastically reduce recoil and muzzle rise by diverting gases 90° to the side and upward. During...

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MSRP Sale $139.95 - $229.95

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4C Competition Muzzle Brake

4C-Brakes

MSRP Sale $84.95 - $127.94

MSRP

The RRD Recoil Reduction Device is a lightweight, multi-functional muzzle device engineered for unmatched firearm control. Its primary function is to drastically reduce recoil and muzzle rise by diverting gases 90° to the side and upward. During...

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MSRP Sale $84.95 - $127.94

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2C Competition Muzzle Brake

2C-Brakes

MSRP Sale $59.95 - $66.94

MSRP

The RRD Recoil Reduction Device is a lightweight, multi-functional muzzle device engineered for unmatched firearm control. Its primary function is to drastically reduce recoil and muzzle rise by diverting gases 90° to the side and upward. During...

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MSRP Sale $59.95 - $66.94

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4C KeyMount Brake

4C-KM

MSRP Sale $134.95 - $147.90

MSRP

The RRD Recoil Reduction Device is a lightweight, multi-functional muzzle device engineered for unmatched firearm control. Its primary function is to drastically reduce recoil and muzzle rise by diverting gases 90° to the side and upward. During...

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2C KeyMount Brake

2C-KM

MSRP Sale $87.67 - $122.90

MSRP

The RRD Recoil Reduction Device is a lightweight, multi-functional muzzle device engineered for unmatched firearm control. Its primary function is to drastically reduce recoil and muzzle rise by diverting gases 90° to the side and upward. During...

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EGFH - East German Flash Hider and Comp

EGFH

MSRP Sale $49.25 - $57.95

MSRP

(E)ast (G)erman (F)lash (H)ider The EGFH is a copy of the original flash hiders found on East German Kalashnikov pattern firearms such as the AKS-74NK. Manufactured with high quality materials to the original specifications, this is a...

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MSRP Sale $49.25 - $57.95

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Suppresor Mount Shims

Shim

MSRP Sale $4.95 - $12.95

MSRP

Precision shims for properly timing your muzzle devices, ensuring optimal alignment. Made from stainless steel here in the USA. Key Features: Kit includes thread pitch specific shims for optimal timing Precision manufactured here in the...

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MSRP Sale $4.95 - $12.95

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Crush Washer

CW

MSRP Sale $6.99 - $8.99

MSRP

The crush washer is designed for timing non-suppressor mount muzzle devices. JMac Customs™ includes a crush washer or a shim kit with all timeable muzzle devices unless otherwise specified. If you need to purchase an additional crush washer or...

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GFH KeyMount® Flash Hider

GFH-KM

MSRP Sale $109.95 - $114.95

MSRP

Inspired by the H&K G36 Flash Hider, the JMac Customs™ GFH and GFHC muzzle devices are engineered to reduce muzzle flash and mitigate muzzle rise, enhancing your shooting experience. Crafted from erosion and corrosion resistant 17-4PH stainless...

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MSRP Sale $109.95 - $114.95

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360HD X37 HUB Mount

360HD-X37

MSRP Sale $129.95 - $289.90

MSRP

The 360HD is the latest evolution in JMac Custom's™ Recoil Reduction Device™ (RRD) family of muzzle brakes, designed to meet the needs of serious shooters and professionals alike. Built with durability, ease of...

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MSRP Sale $129.95 - $289.90

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