AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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FORTIS K1 ENHANCED END PLATE ODG
Fortis Manufacturing Inc.
MSRP: $53.13$38.00When designing the new Lightweight Enhanced (LE) Castle Nut & End Plate System, Fortis came up with two systems that virtually eliminates the risk of your castle nut ever backing out. With the two lockdown systems (K1 & K2), Fortis has engineered a...MSRP: $53.13$38.00 -
FORTIS BILLET DUST COVER CF GOLD
Fortis Manufacturing Inc.
MSRP: $39.83$29.00The Fortis Billet Dust Cover is manufactured from a solid piece of aircraft grade aluminum. This ensures overall durability and reliability vs other polymer versions. Easy to install and upgrade your existing ejection port dust cover on your .223/556...MSRP: $39.83$29.00 -
FORTIS SLS FIFTY AMBI SFTY SLCTR FDE
Fortis Manufacturing Inc.
MSRP: $53.13$38.00When designing the new Fortis Super Lean Sport (SLS) FIFTY, Fortis made sure their brand's innovation, intent and quality were evident in every aspect of the design. While most AR safety selectors in the market today rely on standard socket/torx screws,...MSRP: $53.13$38.00 -
FORTIS TAKEDOWN PIN NITRIDE
Fortis Manufacturing Inc.
MSRP: $30.52$22.00The Fortis Enhanced Pins Set features a drill through design to keep the weight low without sacrificing rigidity. Manufacturing it out of 17-4 stainless steel allows Fortis to balance between form and function. This enhanced set is machined with...MSRP: $30.52$22.00 -
FORTIS K1 ENHANCD AR15 END PLATE FDE
Fortis Manufacturing Inc.
MSRP: $53.13$38.00When designing their new Lightweight Enhanced (LE) Castle Nut & End Plate System, Fortis came up with two systems that virtually eliminates the risk of your castle nut ever backing out. With two lockdown systems (K1 & K2), Fortis has engineered a...MSRP: $53.13$38.00 -
FORTIS K1 ENHANCD AR15 END PLATE GRY
Fortis Manufacturing Inc.
MSRP: $53.13$38.00When designing their new Lightweight Enhanced (LE) Castle Nut & End Plate System, Fortis came up with two systems that virtually eliminates the risk of your castle nut ever backing out. With two lockdown systems (K1 & K2), Fortis has engineered a...MSRP: $53.13$38.00 -
FORTIS K2 ENHANCD AR15 END PLATE FDE
Fortis Manufacturing Inc.
MSRP: $59.78$43.00When designing their new Lightweight Enhanced (LE) Castle Nut & End Plate System, Fortis came up with two systems that virtually eliminates the risk of your castle nut ever backing out. With two lockdown systems (K1 & K2), Fortis has engineered a...MSRP: $59.78$43.00 -
FORTIS STANDARD CASTLE NUT
Fortis Manufacturing Inc.
MSRP: $18.73$12.00The Fortis Standard Castle Nut is manufactured from a solid piece of billet aircraft grade aluminum that offers a significant weight reduction to your castle nut. If you're trying to save ounces, this is a great way, but without sacrificing durability...MSRP: $18.73$12.00 -
FORTIS HAMMER AR15/M16 GOLD ANO
Fortis Manufacturing Inc.
MSRP: $66.43$48.00The Fortis Hammer charging handle stays true to their brand. They engineer, design, & develop military grade accessories that look good and function great. Tested and evaluated by industry professionals, then put to the test by people in the military and...MSRP: $66.43$48.00 -
FORTIS MAG CATCH & BUTTON COMBO FDE
Fortis Manufacturing Inc.
MSRP: $33.18$24.00The Fortis Billet Mag Catch & Button is a superior alternative to the ones found in a mil-spec lower parts kit. Easily installs in seconds and instantly upgrades your rifle. This upgrade is CNC machined from a solid piece of 6061-T6 aircraft grade...MSRP: $33.18$24.00 -
FORTIS BILLET MAG CATCH ONLY ODG
Fortis Manufacturing Inc.
MSRP: $25.00$16.00The Fortis Billet Mag Catch is a superior alternative to the ones found in a mil-spec lower parts kit. Easily installs in seconds and instantly upgrades your rifle. This upgrade is CNC machined from a solid piece of 6061-T6 aircraft grade aluminum or 303...MSRP: $25.00$16.00 -
FAXON ADJ 3 SCREW .625 LOW PRO GB
Faxon Firearms
MSRP: $103.04$69.00Take your AR15 to the next level with the patent pending Faxon Low-Profile Adjustable Gas Block, designed for unparalleled control and reliability. With a unique adjustment screw placement that prevents contact with gas port carbon, this gas block...MSRP: $103.04$69.00