Build More, Save More | Get up to $220 Off! | Shop Now

Build More, Save More | Get up to $220 Off! | Shop Now

Black AR-15 Build Kits and Assemblies

Showing 1–24 of 143 results

List

Grid

Filter

Sort

LIST

KAK Shockwave Blade and Pistol Brace Kit

(12)

KAK Shockwave Blade AR-15 Pistol Brace Kit – Blade, Custom Pistol Buffer Tube, Buffer, & More

RECOMMENDED

(9)

AT3™ AT-15 M-LOK Builder Set – Anodized and Cerakote

(2)

AT3™ AT-15 Lower and Upper Receiver Set – Anodized and Cerakote

RECOMMENDED

AT3 Tactical AT-15 Quad Rail Builder Set - Upper, Lower, and Handguard - 15 Inch - Black

(6)

AT3™ AT-15 Quad Rail Builder Set – Anodized and Cerakote

BCM Gunfighter AR-15 Stock Kit - Includes all Receiver Extension/Buffer Parts

(1)

BCM Gunfighter AR-15 MOD0 Stock Kit – Includes all Receiver Extension/Buffer Parts

NEW

AT3 AR-9 Barrel Builder Kit – 8.3″ 9mm Straight Profile Barrel & BCG

AT3 Tactical Spear with Magpul MOE Free-Float Furniture Kit

(84)

AT3 SPEAR Furniture Kit – AT3 AR-15 M-LOK Handguard, Magpul MOE Stock & Grip

AT3 Tactical Spear M-LOK Free Float Handguard 9 Inch with Slick Side Billet Upper Receiver

(163)

AT3™ AR-15 Upper Receiver and SPEAR Handguard Combo

(17)

AT3™ Forged Upper Receiver and SPEAR Handguard Combo

Magpul MOE M-LOK Furniture Kit - Stock, Carbine Handguard & Grip

(335)

Magpul MOE M-LOK AR-15 Furniture Kit – Stock, Carbine Handguard & Grip

NEW

Ruger AR-15 Lower Parts Kit – GI Trigger & A2 Pistol Grip

NEW

Ruger AR-15 Buffer Tube Kit with M4 Stock – Carbine Buffer – Black

NEW

Ruger AR-15 Buffer Tube Kit – Carbine Buffer – Black

Sale!

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH - 3 Colors

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH – 3 Colors

NEW

AT3 AR-15 Gas Management BCG & CH Kit - Radian Raptor SD / K-SPEC 5.56 Downward Vent BCG

AT3 AR-15 Gas Management BCG & CH Kit – Radian Raptor SD / K-SPEC 5.56 Downward Vent BCG

NEW

AT3 Tactical A1 Retro AR-15 Lower Build Kit

AT3 Tactical A1 Retro AR-15 Lower Build Kit

NEW

AT3 AR-15 Gas Management BCG & CH Kit - Breek Sledgehammer / K-SPEC 5.56 Downward Vent BCG

AT3 AR-15 Gas Management BCG & CH Kit – Breek Sledgehammer / K-SPEC 5.56 Downward Vent BCG

NEW

AT3 Barrel Builder Kit – 7.5″ .300 Blackout Medium Profile Pistol Length Barrel, Gas Block & Gas Tube

AT3 Tactical SPEAR XL with Billet Upper Combo - 12 Inch - Black

(1)

AT3™ Slick Side Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo

NEW

AT3 AR-15 Gas Management Kit - Radian Raptor SD / K-SPEC 5.56 Downward Vent BCG / Wojtek Arkto Click Adjustable Gas Block

AT3 AR-15 Gas Management Kit – Radian Raptor SD / K-SPEC 5.56 Downward Vent BCG / Wojtek Arkto Click Adjustable Gas Block

NEW

AT3 Barrel Builder Kit – 16″ 5.56 NATO Government Profile Mid-Length Barrel, Gas Block & Gas Tube

NEW

AT3 Tactical AR-15 Lower Build Kit - Hogue Furniture

AT3 Tactical AR-15 Lower Build Kit – Hogue Furniture

NEW

AT3 Tactical Minimalist AR-15 Lower Build Kit

AT3 Tactical Minimalist AR-15 Lower Build Kit

NEW

AT3 Barrel Builder Kit – 16″ 5.56 NATO Government Profile Mid-Length Barrel, Gas Block, Gas Tube & BCG