AR-15 / M4

Now w/ OCKS Carrier Key Screws Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms manufacturers. These are individually High Pressure Tested...

*Limited Time*: Check out our stubby 727 variant with a Colt 10.3" barrel here. We're big fans of the M4 platform and that includes the close ancestors to the M4 like the 727 and XM4. This upper...

***Does Not Include Carrier*** Mil-Spec Bolt - CHROME C158 Steel Shot Peened High Pressure Tested (HPT)  Magnetic Particle Inspected (MPI) *Ejector is either Chrome or Phosphate Chrome Silicon...

Another GREAT Value in a Mil-Spec Trigger. Smooth, Consistent and Reliable.   If you like a traditional AR trigger, then you're going to love this one. We think these are the best of the breed, among...

We're big fans of the M4 platform and that includes the close ancestors to the M4 like the CAR-15/723, one of our favorite variants that makes frequent cameos in popular culture. This upper features...

***Cosmetic Blemish*** These are the same spec as our ALL-CHROME w/ PHOSPHATE EXTRACTOR BCGS. They will function properly 100% of the time but may exhibit cosmetic irregularities.    These have...

The oil you don't have will do you no good-- so keep it handy. Introducing our premium-grade arf-o-matic Machine Oil, a super-convenient and compact 10mL (1/3 oz.) bottle of high-performance...

We're big fans of the M4 platform and that includes the close ancestors to the M4 like the CAR-15/723 and its shorter barrel brother 733, another variant that makes frequent cameos in popular culture...

Please Read: This is for either the M-16 spec BOLT KIT alone, or the M-16 spec CARRIER alone, each in DLC finish. DLC Finish on Outer Wear Surfaces, Phosphate Extractor and Phosphate/CL Gas Key with...

***Cosmetic Blemish*** These are the same spec as our PREMIUM BCGS. They will function properly 100% of the time but may exhibit cosmetic irregularities.    The Ultimate Hard-Use 5.56 Bolt Carrier...

Dead Air's flash hider has a unique design featuring mass shifted equal length tines. The end result is a flash hider that does not “ping.” It is compatible with DA's Sandman Series and KeyMo...

B&T's Assault Closed Tine Flash Hider / Compensator is constructed with heat-treated stainless-steel. Weighing in at only 3.3 oz, this flash hider/compensator combo is compatible with Surefire and...

Inspired by the Navy Mk18 "Mod 3" if reverted to quad, we're calling this the MkL18 Mod A. This hybrid Colt/LaRue Tactical AR15 upper receiver group features a Colt FBI HRT (Hostage Rescue Team) 11...

This AR15 Upper features a 14.5" 5.56 Carbine-Length Barrel w/ Pinned FSB, Carbine Handguard  Upper Features: No Cage Code as of 2024 Upper: Standard AR15 Upper Receiver Barrel: 14.5" 5.56 CMV...

The Forward Controls Design GBF Low Profile AR-15 Gas Block is machined to provide durability and precision on barrels with a .750" gas seat diameter. Made from heat-treated 4140 bar stock and coated...

Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms manufacturers. We recommend degreasing and lubricating before installation. Ships in OEM...

Fine-tune your AR-15 gas system with the Odin Works Adjustable Gas Block. The Inconel adjustment screw provides 20 clicks of adjustment locked in place by a ball detent, allowing you to dial in gas...

The Geissele UPTG is meticulously machined from 7075-T6 aluminum. By employing 5-Axis machining technology the GA team is able to reach every surface of the trigger guard and artfully remove...

The MOE RL Carbine Stock is a streamlined, A-frame carbine stock that replaces OEM stocks and provides clean aesthetics and ease of use. The easily accessible, unobtrusive reversed adjustment lever...

The A2 bird cage flash suppressor is the standard muzzle device of the U.S. Armed Forces and is found on most M4/M16 rifles as well as many AR-15 rifles. 1/2X28 thread pitch Includes Mil-spec crush...