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The JMac Customs® 8" Arm Bar offers unparalleled adaptability, allowing for seamless conversion between a brace or stock. This configuration includes our Arm Bar Stabalizer, which attaches directly to the rear of the Arm Bar. This...

The JMac Customs™ 9" Arm Bar offers unparalleled adaptability, allowing for seamless conversion between a brace or stock. This configuration includes our Arm Bar Stabalizer, which attaches directly to the rear of the Arm Bar...

ARM BAR Blade StabilizerThe ARM BAR™ Stabilizer is JMAC’s purpose-built solution for enhanced one-handed control and support — engineered to integrate directly with the rear of our ARM BAR™ platform.Designed to replace the...

TAB Handstop Enhance your firearm control and versatility with the TAB (Tactile Accessory Boss), a modernized vertical forward grip designed for enhanced feel and precision during rapid fire and quick target transitions. The TAB positions your support...

With the rising demand for Plan B compatible devices, JMac Customs is proud to introduce our own line of compatible mounts and adapters—engineered for precision, performance, and seamless integration. The 360HD Micro is the newest member...

Yugoslavian M67 Replica Muzzle Device – 14-1 LH Buy the M67-14 at Atlantic Firearms!   Inspired by the experimental Yugoslavian M67 rifle project, this muzzle device is a faithful recreation based on original design drawings. The M67 was...

The SPG is an ergonomic pistol grip designed to naturally fit the contours of your hand, offering superior control and comfort. Its textured front and rear surfaces allow for precise pressure application where you need...

With the rising demand for Plan B-style devices, JMac Customs is proud to introduce our own line of compatible mounts and adapters—engineered for precision, performance, and seamless integration. The 360HD is the latest evolution in JMac...

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 rize, enhancing your shooting experience. Crafted from erosion and corrosion resistant 17-4PH stainless...

The JMac Customs™ Billet Pistol Grip is engineered to provide enhanced ergonomic control by aligning with the natural contours of your hand. Featuring a modern, reduced angle and textured front and rear surfaces, it allows for optimal pressure...

The SPG is an ergonomic pistol grip designed to naturally fit the contours of your hand, offering superior control and comfort. Its textured front and rear surfaces allow for precise pressure application where you need...

The JMac Customs™ Hand Retention Device is designed to provide enhanced control and stability, while maintaining a compact and lightweight profile. The HRD-EXT fits 3 M-Lok Slots. Made from 7075-T6 aluminum with a...