AR15 Gas Blocks

We proudly carry a range of AR15 gas blocks in both .750” and .625” sizing to help reduce recoil and carbon buildup. Choose from adjustable, clamp-on or low-profile designs to fit your build. We only carry reliable, well-known manufacturers of AR15 gas blocks, such as SLR Rifleworks, Superlative Arms, Spikes Tactical, CMMG and even yours truly, RTB. All of our gas blocks for AR15s fit under handguards and rails.

Shop with RTB for a variety of different gas blocks, including black nitride and lo-pro gas blocks in a variety of finishes. With RTBA, you save even more with great discount pricing and free shipping on select products! Be sure to check out our adjustable gas blocks if you need something more customizable.