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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
COLT EPR UPPER KIT 5.56 14.5 BLK
Colt
MSRP: $1,181.25$1,046.00High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER: Colt's...MSRP: $1,181.25$1,046.00 -
COLT M4 UPPER 5.56 11.5 LW BLK
Colt
MSRP: $995.84$866.00High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER: Colt's...MSRP: $995.84$866.00 -
COLT LE6921 UPPER 556NATO 14.5
Colt
MSRP: $923.11$803.00High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER: Colt's...MSRP: $923.11$803.00 -
CMMG BBL BCG KIT 8 9MM 4140CM SBN
CMMG
MSRP: $503.19$403.00CMMG IS A LEADING MANUFACTURER OF AR-15 RIFLES, 22LR AR-15 CONVERSION KITS AND ACCESSORIES.MANUFACTURER: CMMGMPN: 99D517AMODEL: MKGSBarrel Length: 8"Fit: AR RiflesCaliber: 9MMType: BarrelColor: BlackMSRP: $503.19$403.00 -
CMMG BBL BCG KIT 5 9MM 4140CM SBN
CMMG
MSRP: $476.69$382.00The CMMG 5" 9MM MkGs Barrel and BCG Kit allow you to build a Pistol Caliber Carbine using their patent-pending Radial Delayed Blowback System. Unlike typical direct blowback systems, their RDB uses a bolt that rotates and unlocks, slowing the BCG. This...MSRP: $476.69$382.00 -
CMMG BBL 5.7X28 10.4 PS90
CMMG
MSRP: $308.86$248.00Great choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adapter to complete your SBR.MANUFACTURER: CMMGMPN: 57DF1C7MODEL: 0Type of Barrel: 01:09:00Barrel Length: 10.4"Fit: FN PS90Caliber: 5.7X28MMType: BarrelColor: BlackMSRP: $308.86$248.00 -
CMMG BBL 300BLK 8 4140CM SBN
CMMG
MSRP: $198.28$142.00Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLYMANUFACTURER: CMMGMPN: 30D810AMODEL: 0Barrel Length: 8"Description: 4140CMFinish:...MSRP: $198.28$142.00 -
CMMG BBL AND BCG KIT 8 5.7X28MM
CMMG
MSRP: $482.99$387.00The 8" 5.7x28mm Barrel and BCG Kit is perfect for building an AR pistol or SBR in 5.7x28mm using CMMG's patented Radial Delayed Blowback operating system. Unlike typical direct blowback systems, Radial Delayed Blowback not only reduces the weight in your...MSRP: $482.99$387.00 -
CMMG BBL AND BCG KIT 5 5.7X28MM
CMMG
MSRP: $476.69$391.00The 5" 5.7x28mm Barrel and BCG Kit is perfect for building an AR pistol or SBR in 5.7x28mm using CMMG's patented Radial Delayed Blowback operating system. Unlike typical direct blowback systems, Radial Delayed Blowback not only reduces the weight in your...MSRP: $476.69$391.00 -
BAD 10.5 UPR WRKHORSE 556AMBI C BLK
Battle Arms Development
MSRP: $758.98$660.00The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...MSRP: $758.98$660.00 -
BAD 10.5 UPPR WRKHORSE 556 AMBI BLK
Battle Arms Development
MSRP: $758.98$660.00The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...MSRP: $758.98$660.00 -
BAD 10.5 UPR AUTH ELITE 556AMBI GRAY
Battle Arms Development
MSRP: $1,033.85$926.00The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions. At 12...MSRP: $1,033.85$926.00