Question 1

Do you offer refunds or exchanges?

Accepted Answer

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.

Question 2

What products fit my firearm?

Accepted Answer

**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

Question 3

What muzzle devices are compatible with my firearm?

Accepted Answer

To find which muzzle devices fit your firearm, click on the following link:

https://www.jmac-customs.com/muzzle-devices/shop-by-thread-pitch/

Question 4

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

Accepted Answer

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/

Question 5

Which handguards are compatible with my firearm?

Accepted Answer

**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/

Question 6

How do I create an account?

Accepted Answer

To create a JMAC-Customs.com account, please register here:

https://www.jmac-customs.com/login.php

Question 7

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

Accepted Answer

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

Question 8

Is JMAC Customs a large corporation?

Accepted Answer

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.

Question 9

Out of Stock Products

Accepted Answer

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.

Question 10

What muzzle devices are compatible with my suppressor?

Accepted Answer

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/

Question 11

Which length stock/brace do I need?

Accepted Answer

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.

Question 12

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

Accepted Answer

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.

Question 13

How do I use my store credit?

Accepted Answer

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.

Question 14

What’s the status of my order?

Accepted Answer

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.

Question 15

What is your returns policy?

Accepted Answer

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/

Question 16

Do you offer FFL services?

Accepted Answer

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

Question 17

Handguard Compatibility

Accepted Answer

Click here to view Handguard compatibility.

Question 18

Is backorder available for out of stock products?

Accepted Answer

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.

Question 19

What is facemount?

Accepted Answer

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/

Question 20

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

Accepted Answer

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.

Question 21

Can I mount an optic onto the MMS Gas Tube?

Accepted Answer

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

Question 22

Do you offer Dealer accounts?

Accepted Answer

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/

Question 23

When will my order ship?

Accepted Answer

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.

Question 24

When will I receive my refund?

Accepted Answer

Please allow up to 10 business days for the refund to reflect on your payment method.

(Returns for Refund/Cancelled Orders)

Question 25

Do you offer installation services?

Accepted Answer

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

Question 26

X-Series Devices and Compatibility

Accepted Answer

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

X-Series Suppressor Compatibility

X-Series Muzzle Devices

Question 27

Can you manufacture a one-off product?

Accepted Answer

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

Question 28

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

Accepted Answer

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:

Question 29

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

Accepted Answer

In some cases, the folding mech requires two hands to unlock.

Please see the following video: https://www.youtube.com/shorts/VPRxhhFafgs

Question 30

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

Accepted Answer

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.

Question 31

What is the best form of contact?

Accepted Answer

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.

Question 32

KeyMount / KeyMicro Devices & Compatibility

Accepted Answer

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

Question 33

Where can I find reference images / videos of your products

Accepted Answer

Please follow us on social media to see our newest products in action!

Instagram | YouTube: Main | Youtube: Technical Videos | Facebook

Question 34

What’s the difference between KeyMount and KeyMicro devices?

Accepted Answer

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.

Question 35

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

Accepted Answer

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.

Question 36

Which devices are compatible with “X” caliber?

Accepted Answer

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.

Question 37

Which height cheek riser do I need?

Accepted Answer

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.

Question 38

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

Accepted Answer

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.

Question 39

Top Selling Products of 2024

Accepted Answer

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.

Question 40

Why do some muzzle devices have a barrel length restriction?

Accepted Answer

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.

Question 41

Do you offer express or expedited shipping?

Accepted Answer

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

Question 42

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

Accepted Answer

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.

Question 43

Do you ship internationally?

Accepted Answer

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

Question 44

Can I cancel my order?

Accepted Answer

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/

Question 45

Can you add or remove an item from my order?

Accepted Answer

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/

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