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 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 -
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 -
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 -
Noveske N4 Gen 4 Matched Upper & Lower Receiver Set
Noveske Rifleworks
$750.00Noveske N4 Gen 4 Matched Upper & Lower Receiver Set - Black The Noveske N4 4th Generation Receiver Set represents the pinnacle of Noveske’s machining and design philosophy—precision‑cut from 7075‑T6 billet aluminum and engineered for...$750.00 -
Proof Research Pre-Fit Barrel Sig Sauer CROSS - 22 Creedmoor - 18" Carbon Fiber Threaded Barrel
Proof Research
MSRP: $1,299.00$1,149.99Proof Research Pre-Fit Barrel Sig Sauer CROSS22 Creedmoor - 18" Carbon Fiber Threaded Barrel Engineered for shooters who demand peak performance and effortless customization, the Sig Sauer Cross Pre-Fit Carbon Fiber Barrel is the ultimate upgrade for...MSRP: $1,299.00$1,149.99 -
Proof Research Pre-Fit Barrel AR-Type - 338 ARC - 14.5" Carbon Fiber Threaded Barrel
Proof Research
MSRP: $1,149.00$999.99Proof Research Pre-Fit Barrel AR-Type - 338 ARC - 14.5" Carbon Fiber Threaded Barrel Experience next‑level precision and reliability with the PROOF Research Pre‑Fit 14.5" Carbon Fiber Barrel for AR‑Type rifles in 338 ARC—engineered for shooters who...MSRP: $1,149.00$999.99 -
Velocity Precision MPC Single Stage 3 lbs Trigger - Straight Serrated Flat Face
Velocity Precision Engineering
$214.95Velocity Precision MPC Single Stage 3 lbs Trigger - Straight Serrated Flat Face The Velocity MPC Trigger takes everything shooters love about Velocity’s match‑grade, single‑stage drop‑in triggers and adds a new level of customization and ergonomics...$214.95