This .300 Blackout chambered 10.3 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. BA’s Performance Series Barrels feature a Nickel Boron Coated M4 Feed Ramp Extension and are HP and MPI tested. Hanson Series Barrels feature BA’s proprietary BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not designed to work with aftermarket piston kits. All NFA/ATF Rules Apply You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when installed on a Pistol configuration firearm.

This Combat Control Bolt Catch is made from billet 416R heat treated stainless steel with a beautiful nitride finish. The textured surface gives it an enhanced gripping ability. The ambidextrous safety selector can be used as a 90° or 45° throw lever. The mag release is deeply threaded to allow for normal height installation, or thread it halfway to get an extended mag release! The oversized bolt catch makes those mag reloads much easier and quicker. A must have for every build! Includes: 1x CBC – Combat Bolt Catch Made from Billet 416R stainless steel Nitrided at H&M nitride MADE IN THE USA!!!

BA10 Lower Parts Kit with mil-spec parts to complete your stripped lower receiver assembly. PARTS INCLUDE Takedown/pivot Spring Takedown/pivot detent Trigger/hammer pin Takedown pin Pivot pin Bolt Catch Bolt Catch Spring Bolt Catch buffer Bolt catch roll pin Safety Selector Safety Selector spring Safety Selector detent Buffer retainer Buffer retainer spring Trigger guard Trigger guard roll pin A2 pistol grip Pistol grip screw Pistol grip lock washer Trigger spring Hammer spring Disconnector spring Magazine catch body Magazine catch spring Magazine catch button Hammer Trigger Disconnector

This 9mm chambered  8.3 in Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and 1/2-28x.620 full profile threads. Designed to work with both Colt/RR and Glock style AR builds. Compatible with standard MILSPEC uppers. There are also numerous dedicated 9mm upper options that work. Requires the use of a unique magwell conversion (Colt/Rock River style) with UZI mags or a dedicated 9mm lower with Glock mags. 9mm on an AR15 platform operates by blowback and does not need a gas block or gas tube. Threaded 1/2×28 instead of 1/2×36 to give you greater versatility when choosing a suppressor. Integrated feed ramp and barrel extension. Since the œbarrel extension  is an integral part of the barrel, the length stated is the true overall length. For example, an 11  9mm barrel has the same outer dimensions/length as a 10.5  5.56

This 16” 6MM ARC barrel is machined from 416 Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.

DETAILS   This 308 Winchester chambered (DPMS style) 18 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series Barrels are HP and MPI tested, ensuring the best in quality and accuracy. Hanson Series Barrels feature our proprietary BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not designed to work with aftermarket piston kits.

This 20” 6MM ARC barrel is machined from 416 Stainless Steel with a QPQ finish. Our Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.

This 20” 6MM ARC barrel is machined from 416 Stainless Steel with a QPQ finish. Our Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.

This 6.5 Creedmoor chambered (DPMS style) 20 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series 6.5 Creedmoor Barrels are proof fired and MPI tested, ensuring the best in quality and accuracy. 6.5 Creedmoor is the perfect option if you’re looking to maximize the accuracy of your .308 platform. Apart from a simple barrel swap, all parts, including the bolt and mag, remain the same as a normal .308 build. The inherently accurate 6.5mm projectile, the increasing amount of off-the-shelf match grade factory 6.5 Creedmoor ammunition, and the extremely soft recoil pulse all combine to create one of the best black rifle options available.