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Q2-2026 Kit Restrictions

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AT3 Tactical AR-15 Safety Selector Spring & Detent Kit

AT3 Tactical AR-15 Safety Selector Spring & Detent Kit

NEW

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

NEW

AT3 Tactical Bolt Catch Small Parts Kit

AT3 Tactical Bolt Catch Small Parts Kit

NEW

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

NEW

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

NEW

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

NEW

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

NEW

AT3 Barrel Builder Kit – 10.5″ 5.56 NATO Government Profile Carbine Length Barrel, Gas Block & Gas Tube

NEW

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

AR-15 Gas Management BCG & CH Kit – Radian Raptor SD / 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 & BCG

NEW

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

AR-15 Gas Management BCG & CH Kit – SilencerCo GDCH / K-SPEC 5.56 Downward Vent BCG

NEW

AT3 Tactical A1 Retro AR-15 Lower Build Kit

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

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

NEW

AT3 Barrel Builder Kit – 10.5″ 5.56 NATO Government Profile Carbine Length Barrel, Gas Block, Gas Tube & BCG

NEW

AT3 Tactical AR-15 Lower Build Kit - Hogue Furniture

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 Tactical AR-15 Lower Build Kit - Magpul MOE Carbine Furniture

AR-15 Lower Build Kit – Magpul MOE Carbine Furniture

NEW

AT3 Tactical CAR-15 Retro AR-15 Lower Build Kit

CAR-15 Retro AR-15 Lower Build Kit

NEW

AT3 AR-15 Gas Management BCG & CH Kit - Strike Industries T-Bone / K-SPEC 5.56 Downward Vent BCG

AR-15 Gas Management BCG & CH Kit – Strike Industries T-Bone / K-SPEC 5.56 Downward Vent BCG

NEW

AT3 Tactical A2 Retro AR-15 Lower Build Kit

A2 Retro AR-15 Lower Build Kit

NEW

AT3 Tactical MIL-SPEC AR-15 Lower Build Kit

AT3 Tactical MIL-SPEC AR-15 Lower Build Kit

NEW

AT3 Tactical MIL-SPEC AR-15 Lower Build Kit w/Brace

AT3 Tactical MIL-SPEC AR-15 Lower Build Kit w/Brace

NEW

AT3 Tactical AR-15 Lower Build Kit - Magpul MOE K Furniture

AR-15 Lower Build Kit – Magpul MOE K Furniture