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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Out of stock
GEISSELE LPK STANDARD
Geissele Automatics
MSRP: $84.25$61.00The Geissele Standard Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver. This quality mil-spec kit features an improved safety detent and their specially designed Posi-Snap safety, which provides the end...MSRP: $84.25$61.00 -
Out of stock
FORTIS TAKEDOWN PIN CASE HARDENED
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 -
Out of stock
FORTIS SS FIFTY AMBI SFTY SLCTR GLD
Fortis Manufacturing Inc.
MSRP: $53.13$38.00High quality components and precise manufacturing make Fortis parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: Fortis...MSRP: $53.13$38.00 -
Out of stock
FORTIS K2 ENHANCD AR15 END PLATE BLK
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 -
Out of stock
FORTIS LW ENHANCD AR15 END PLATE BLK
Fortis Manufacturing Inc.
MSRP: $53.13$38.00The K1 system features a tapered castle nut that seals itself onto the end plate. This ultra precision snug fit allows the castle nut to seat and seal itself into place without the need of staking the end plate. No ratcheting, no set screws, no backing...MSRP: $53.13$38.00 -
Out of stock
FORTIS CLUTCH CHRGNG HNDL 556NATO RH
Fortis Manufacturing Inc.
MSRP: $39.83$29.00Fortis engineers, designs, & develops military grade accessories that look good and function great. Their accessories are tested and evaluated by industry professionals, then put to the test by people in the military and law enforcement community...MSRP: $39.83$29.00 -
Out of stock
FORTIS K2 ENHANCD AR15 END PLATE GRY
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 -
Out of stock
FORTIS END PLATE & CASTLE NUT
Fortis Manufacturing Inc.
MSRP: $32.84$20.00The 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: $32.84$20.00 -
Out of stock
FORTIS BILLET DUST COVER CF GRAY
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 -
Out of stock
FORTIS BILLET DUST COVER CF FDE
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 -
Out of stock
FORTIS BILLET DUST COVER CF RED
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 -
Out of stock
FORTIS BILLET DUST COVER CF BLACK
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