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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PWS Enhanced Steel Body H4 Carbine Buffer Weight - 6.8 oz
Primary Weapons Systems
$189.95PWS Enhanced Steel Body H4 Carbine Buffer Weight - 6.8 oz Optimize recoil mitigation and tame high-pressure blowback in overgassed or suppressed AR-15 platforms with the Primary Weapons Systems (PWS)...$189.95 -
Luth-AR Carbine Length Buffer Spring - AR-15 Compatible
Luth-AR
$5.25Luth-AR Carbine Length Buffer Spring - AR-15 Compatible Ensure consistent bolt cycling, reliable lockup, and smooth feeding in your AR-15 platform with the Luth-AR Carbine Buffer Spring. Engineered...$5.25 -
Luth-AR Rifle Length Buffer Spring - AR-10 Compatible
Luth-AR
$7.49Luth-AR Rifle Length Buffer Spring - AR-10 Compatible Ensure reliable cycling, proper bolt carrier return, and long-term durability in your heavy-caliber rifle with the Luth-AR AR-10 A2 Rifle-Length...$7.49 -
LBE Unlimited AR15 Buffer Tube Kit - H2 Buffer
LBE Unlimited
$89.99LBE Unlimited AR15 Buffer Tube Kit - H2 Buffer Upgrade your AR-15 platform or complete your lower receiver build with the LBE Unlimited 6-Position Mil-Spec Buffer Tube Kit featuring an H2 Heavy...$89.99 -
B5 Systems Sierra K Extension Kit - AR15 Compatible
B5 Systems
MSRP: $135.00$128.25B5 Systems Sierra K Extension Kit - AR15 Compatible Optimize your AR-15 platform for ultra-compact maneuvering with the B5 Systems Sierra K Receiver Extension Kit in Black. Purpose-built as the...MSRP: $135.00$128.25 -
Noveske N6 AR10 Receiver Extension Assembly
Noveske Rifleworks
$75.00Noveske, Mil-Spec Buffer Tube, 6 Position, Fits AR-10, Hard Coat Anodized, Black This receiver extension is what is used on all of Noveske's N6, large frame AR, firearms. They use N6 springs, and H3...$75.00 -
Noveske Takedown Pin w/ Logo
Noveske Rifleworks
$7.50Noveske Takedown Pin w/ Logo Noveske Takedown Pin with nitride finish and are a direct replacement for the factory rear takedown. Easy way to freshen up the look of your rifle. Designed t$7.50 -
Noveske Pivot Pin w/ Logo
Noveske Rifleworks
$7.50Noveske Pivot Pin w/ Logo Noveske Pivot Pin finished with nitride and are a direct replacement for the factory pin. Easy way to freshen up the look of your rifle. Designed to work with mi$7.50 -
Geissele Stress Proof Bolt Assembly - AR15
Geissele Automatics
$255.00Geissele Automatics, Stress Proof Bolt Assembly, Bolt, Fits AR-15, Black The Geissele Stressproof Bolt is proudly featured in their Reliability Enhanced Bolt Carrier Group. The Forged Stressproof...$255.00 -
Noveske 6mm ARC DDF SPR 18" Stainless Barrel with Headspaced Bolt
Noveske Rifleworks
$815.00Noveske 6mm ARC DDF SPR 18" Stainless Barrel with Headspaced Bolt Unlock the full ballistic potential of the 6mm ARC cartridge with the Noveske 18" Extra Thicc Disruptive Deep Fluting (DDF) 416R...$815.00 -
KAK - K-SPEC Enhanced AR15 BCG 6.5 Grendel - Dual Ejector - Side Vent - Sand Cuts - Phosphate
KAK Industry
MSRP: $199.95$179.96KAK Industry, K-SPEC Enhanced, Bolt Carrier, 8620 Steel Carrier, Dual Ejectors, Side Vent, Sand Cuts, 6.5 Grendel, Phosphate Finish, Black The K-SPEC BCG combines multiple key features focused on...MSRP: $199.95$179.96 -
Out of Stock
KAK - K-SPEC Enhanced AR15 BCG 6.5 Grendel - Dual Ejector - Down Vent - Sand Cuts - Phosphate
KAK Industry
MSRP: $199.95$179.96KAK Industry, K-SPEC Enhanced, Bolt Carrier, 8620 Steel Carrier, Dual Ejectors, Down Vent, Sand Cuts, 6.5 Grendel, Phosphate Finish, Black The K-SPEC BCG combines multiple key features focused on...MSRP: $199.95$179.96