AR-15 / AR-10 Parts
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We build AR platform rifles weekly for some very discerning customers. We only build with what we sell, and we only sell what works. Leverage our experience in building or upgrading your AR platform and buy with confidence.
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Comstock Armory P&W Spacer Ring - 5/8x24
Comstock Armory, Inc.
MSRP: $15.00$14.00Comstock Armory P&W Spacer Ring - 5/8x24 Designed to provide the additional length needed for pin-and-weld applications, this spacer ring extends compatible full-size 5/8-24 muzzle devices to help achieve legal overall barrel length on most 14...MSRP: $15.00$14.00 -
Comstock Armory Compact Muzzle Brake .578x28 - .45 Cal Bore Plan-B Compatible Suppressor Mount
Comstock Armory, Inc.
MSRP: $69.00$66.00Comstock Armory Compact Muzzle Brake .578x28 - .45 Cal BorePlan-B Compatible Suppressor Mount Built for durability and suppressor performance, this Compact Muzzle Brake (MBC) is compatible with common .900″-24 adapters such as the Comstock LPA, Q...MSRP: $69.00$66.00 -
Comstock Armory Compact Muzzle Brake 5/8x24 - .45 Cal Bore Plan-B Compatible Suppressor Mount
Comstock Armory, Inc.
MSRP: $69.00$66.00Comstock Armory Compact Muzzle Brake 5/8x24 - .45 Cal BorePlan-B Compatible Suppressor Mount Built for durability and suppressor performance, this Compact Muzzle Brake (MBC) is compatible with common .900″-24 adapters such as the Comstock LPA, Q...MSRP: $69.00$66.00 -
Comstock Armory Compact Muzzle Brake 1/2x36 - 9mm Bore Plan-B Compatible Suppressor Mount
Comstock Armory, Inc.
MSRP: $69.00$66.00Comstock Armory Compact Muzzle Brake 1/2x36 - 9mm BorePlan-B Compatible Suppressor Mount Designed for durability and performance, this Compact Muzzle Brake (MBC) is compatible with common .900″-24 adapters such as the Comstock LPA, Q Plan-B, and...MSRP: $69.00$66.00 -
Comstock Armory Ultralight Recessed 5/8x24 - Plan-B Compatible Suppressor Mount
Comstock Armory, Inc.
MSRP: $69.00$66.00Comstock Armory Ultralight Recessed 5/8x24 - Plan-B Compatible Suppressor Mount Engineered for maximum strength with virtually no added length, the Ultralight Recessed Titanium Mount is compatible with common .900″-24 adapters such as the Comstock...MSRP: $69.00$66.00 -
Out of Stock
Comstock Armory Ultralight Recessed 1/2x28 - Plan-B Compatible Suppressor Mount
Comstock Armory, Inc.
MSRP: $69.00$66.00Comstock Armory Ultralight Recessed 1/2x28 - Plan-B Compatible Suppressor Mount Engineered for maximum strength with virtually no added length, the Ultralight Recessed Titanium Mount is compatible with common .900″-24 adapters such as the Comstock...MSRP: $69.00$66.00 -
Out of Stock
CMMG MK4 Stripped Lower Receiver - Black
CMMG
$174.95CMMG MK4 Stripped Lower Receiver - Black Start your next AR-15 build with a proven foundation. The CMMG MK4 Stripped Lower Receiver is precision machined from forged 7075-T6 aluminum, delivering true mil-spec strength, durability, and compatibility...$174.95 -
LBE Unlimited .750 Low Profile Gas Block - Rifle Length Gas Tube
LBE Unlimited
$45.99LBE Unlimited .750 Low Profile Gas Block - Rifle Length Gas Tube Upgrade your AR build with dependable, American-made performance. The LBE Unlimited .750 Low Profile Gas Block with Rifle-Length Gas Tube delivers reliable gas system function in a...$45.99 -
LBE Unlimited .750 Low Profile Gas Block - Carbine Length Gas Tube
LBE Unlimited
$44.99LBE Unlimited .750 Low Profile Gas Block - Carbine Length Gas Tube Upgrade your AR build with dependable, American-made performance. The LBE Unlimited .750 Low Profile Gas Block with Carbine-Length Gas Tube delivers reliable gas system function in a...$44.99 -
Ballistic Advantage 18" Hanson Profile .243 Win Premium Black Series Barrel
Ballistic Advantage
MSRP: $300.00$285.00Ballistic Advantage 18" Hanson Profile .243 Win Premium Black Series Barrel Take your AR-10 build to the next level with the Ballistic Advantage Premium Series .243 Winchester 18” Hanson Barrel. Engineered for precision shooters and long-range...MSRP: $300.00$285.00 -
Spike's Tactical Carbine Length Melonited Gas Tube - Black Nitride Finish
Spikes Tactical
MSRP: $16.00$14.99Spike's Tactical Carbine Length Melonited Gas Tube - Black Nitride Finish The Spike’s Tactical Carbine Length Gas Tube is built to military specifications and constructed from durable 304 stainless steel, making it the perfect choice for any AR-15...MSRP: $16.00$14.99 -
Out of Stock
PWS M109 MOD 1-M 300 Blk Upper Receiver - Kodiak Brown
Primary Weapons Systems
$1,209.95The MK109 MOD 1-M Pistol is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK handguard, forward assist controls, and a design closer to...$1,209.95