AR-15 Buffer Weight Guide: How to Choose the Right One
Carbine, H, H2, H3 buffers explained with a complete weight chart, gas system pairing recommendations, and troubleshooting for short-stroking and over-gassing.
Gun Parts
Get replacement gun parts & accessories, as well as upgrades for your rifle and pistols here.
Best AR-15 Slings (2026): 8 Rifle Slings Tested
We tested 8 of the best AR-15 slings including Blue Force Gear Vickers, Magpul MS4, Ferro Slingster, and Edgar Sherman ESD. Two-point vs single-point compared.
Best AR-15 Muzzle Devices (2026): 8 Brakes, Comps & Flash Hiders
We tested 8 of the best AR-15 muzzle devices including SureFire SOCOM, VG6 Gamma, and the A2 flash hider. Brakes vs comps vs flash hiders compared.
Best AR-15 Stocks (2026): 8 Buttstock Picks Ranked
We ranked 8 of the best AR-15 stocks including Magpul SL-S, B5 SOPMOD, BCM GUNFIGHTER, and budget options. Mil-spec vs commercial fit and cheek weld compared.
Best AR-15 Handguards (2026): 8 Free-Float Rails Ranked
We ranked the 8 best AR-15 handguards including the BCM MCMR, Aero Atlas S-ONE, Geissele MK16, and budget free-float options.
Best AR-15 Triggers (2026): 8 Drop-In & Single-Stage Tested
We tested 8 of the best AR-15 triggers including the Geissele SSA-E, LaRue MBT-2S, Timney Impact, and CMC flat. Single-stage vs two-stage compared with real range time.
Best AR-15 Upper Receivers (2026): 8 Complete Uppers Ranked
We ranked the 8 best AR-15 complete uppers from BCM, Aero Precision, Daniel Defense, PSA, and more. Chrome-lined vs nitride barrels compared with live pricing.
Best AR-15 Bolt Carrier Groups (2026): 8 BCGs Tested
We tested 8 of the best AR-15 bolt carrier groups from BCM, Toolcraft, Daniel Defense, and Cryptic Coatings. C158 vs 9310 steel and coatings compared.
Best AR-15 Lower Receivers (2026): 8 Stripped & Complete Ranked
We ranked the 8 best AR-15 lower receivers from Aero Precision M4E1, 2A Armament, ADM UIC, Anderson, and more. Forged vs billet, ambi controls, and live prices.