Any Category Parts Upper Parts Barrels Bolt Carrier Groups Charging Handles Dust Covers Gas Blocks Gas Tubes Muzzle Devices Blast Diverters Compensators Flash Hiders Muzzle Brakes Other Upper Parts Upper Parts Kits
Any Manufacturer Aero Precision Anderson Mfg Ballistic Advantage Battle Arms Development Bear Creek Arsenal Black Rain Ordnance Bootleg Bravo Co. Mfg CMMG Colt Cryptic Coatings DS Arms Daniel Defense Dead Air Armament Doublestar Expo Arms FN FailZero Fortis Geissele Huxwrx KAK Kaw Valley Precision LBE Unlimited LWRC Lewis Machine & Tool Luth-AR Midwest Ind OSS Odin Works POF USA Palmetto State Armory Primary Weapons Systems Q LLC Radian Weapons Radical Firearms Rise Armament Rubber City Armory SLR Rifleworks SOLGW Seekins Precision Sig Sauer SilencerCo Spikes Tactical Strike Industries Superlative Arms SureFire TRUE Strategic Timber Creek Toolcraft Troy Ultradyne WMD Guns Wilson Combat YHM ZEV TECH
Any Caliber .223 .223 Wylde .30 Cal .300 Blackout .308 Winchester .350 Legend 5.56 NATO 6.5 Creedmoor 6.5 Grendel 6MM ARC 7.62 NATO 7.62mm 7.62x39mm 9mm 9x19mm
Any Model .750 223 22ARC 308 556 9mm A2X AR AR ATC AR Muzzle Break AR-15 AR10 AR15 AR15/M16 ASR Flash Hider ATHENA Airborne Charging Handle Barrel Nut Blast Can Bolt Carrier Group Bolt Gas Rings Breach Cherry Bomb Compensator DNA Eliminator FSC Flash Hider Government Profile Key Mount Lightweight/Low Mass Bolt Carr Low Profile M16 M16/M4 M4 M5 Mil-Spec Modern Modern Series Muzzle Brake Muzzle Brake/Suppressor Adapte NEST NOX PROCOMP Performance Series Premium Black Series Premium Classic RED Raptor Raptor-LT SPEC15 Standard BCG Strike Eagle Three-Prong FH Tomahawk Tread Ultra Static Brake VG6 WARCOMP Warden-Blast
Any Barrel Length 10 10" 10.3" 10.5" 11.3" 11.5 12.5" 13.9 14.5" 16 16" 18" 20" 4.5" 5.5" 7.5" 8" 8.3" 8.5"
Any Color/Finish Anodized Blue Anodized Red Bead Blasted Bead Blasted Stainless Black Black Anodized Black Cerakote Black Melonite Black Nitride Black Parkerized Black Phosphate Bronze Desert Dirt Color EXO FDE Flat Dark Earth Gold Kodial Brown Anodized MIdnight Blue Manganese Phosphate Manganese Phosphate Coated 4140 Steel Matte Matte Stainless Steel Melonite Melonited Black Nib-X Nickel Boron Nickel Boron Coated Nitride Parkerized QPQ Nitride Red Stainless Stainless Steel Titanium
Any Length 10.5" 16" 5.5" 6" 6.6875" 7.5" 9.8"
Any Twist Rate 1:10 1:16 1:7 1:8 1:9
Any Platform AR AR-10 AR-15 AR308 M5