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
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 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 STD BLACK
Fortis Manufacturing Inc.
MSRP: $33.18$24.00The 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: $33.18$24.00 -
ERGO LOW PROFILE ADJ GAS BLOCK .750
Ergo Grip
MSRP: $60.55$0.00The .750" Low-Pro Adjustable Gas Block is constructed of 4140 chromoly steel and will fit under Superlite Rail Systems. Adjustments are achieved with the set-screw allowing you to fine tune the amount of gas allowed through the system for load specific...MSRP: $60.55$0.00Qty in Cart: 0Quantity:Price:MSRP: $60.55$0.00Subtotal: -
DBST SUPERLITE GAS BLOCK .750
Doublestar Corp.
MSRP: $47.59$0.00The Superlite Same Plane Gas Block is machined from rugged 6061 T6 aircraft aluminum and Type III hard coat anodized to match the finish of most AR style uppers. The 1913 picatinny rail matches the height of a standard mil spec flattop upper receiver...MSRP: $47.59$0.00Qty in Cart: 0Quantity:Price:MSRP: $47.59$0.00Subtotal: -
Out of stock
DBST LPK 556 BLK
Doublestar Corp.
MSRP: $100.79$72.00Double Star uses only the best parts to make their lower parts kits. The fire control group is made from mil spec heat treated 8620 steel and finished on all touch points for a smooth, crisp trigger pull with minimal creep or drag. This AR15 lower parts...MSRP: $100.79$72.00 -
Out of stock
DD GRIP-N-RIP CHRGNG HNDL AMBI 556
Daniel Defense
MSRP: $151.20$108.00High quality components and precise manufacturing make Daniel Defense 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:...MSRP: $151.20$108.00 -
Out of stock
DD LPK 556 BLK
Daniel Defense
MSRP: $165.20$118.00Lower receiver parts kit for the AR-15.MANUFACTURER: Daniel DefenseMPN: 05-013-21007MODEL: 0Description: Lower Receiver Parts KitFit: AR-15Caliber: 556NATOType: Lower Parts KitColor: BlackMSRP: $165.20$118.00 -
Out of stock
COLT LOWER RECEIVER PARTS KIT AR15
Colt
MSRP: $152.95$110.00Convenient kit of genuine Colt factory parts includes all the small parts needed to finish a small-pin AR-15 lower receiver, and install the trigger group and pistol grip of your choice. Or, use the kit to rebuild the worn internals of an old rifle and...MSRP: $152.95$110.00 -
Out of stock
CMMG AR15 BUFFER TUBE CASTLE NUT
CMMG
MSRP: $15.02$9.00Since 2002 CMMG has been the leading manufacturer of AR-15 rifles, AR-10 rifles, and trailblazing AR technologies. CMMG offers premium AR-15 and AR-10 rifles, parts, and accessories.MANUFACTURER: CMMGMPN: 55CA9CBMODEL: Receiver Extension NutFinish:...MSRP: $15.02$9.00 -
Out of stock
CMMG M16/AR FIRING PIN SILVER
CMMG
MSRP: $15.18$9.00Since 2002 CMMG has been the leading manufacturer of AR-15 rifles, AR-10 rifles, and trailblazing AR technologies. CMMG offers premium AR-15 and AR-10 rifles, parts, and accessories.MANUFACTURER: CMMGMPN: 55BA41CMODEL: Firing PinColor: SilverMSRP: $15.18$9.00 -
Out of stock
BCM GUNFTR CHARG HNDL 556 MOD3B L
Bravo Company
MSRP: $104.93$75.00The BCMGUNFIGHTER Charging Handle features internal redesigns to direct force off of the weakest part of the system, the roll pin, and into the body of the charging handle during support hand only manipulations. This new design has a built in backstop...MSRP: $104.93$75.00