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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DD BBL ASSY 5.56 1-7 CHF 10.3 CARB
Daniel Defense
MSRP: $422.50$0.00Cold Hammer Forging of barrels has been known for decades to produce the most accurate, longest lasting rifle barrels obtainable. The Cold Hammer Forging of barrels is accomplished through intense hydraulic pressure applied at opposing angles by carbide...MSRP: $422.50$0.00Qty in Cart: 0Quantity:Price:MSRP: $422.50$0.00Subtotal: -
DD URG DD4 RIIIS 11.5 5.56 BLK/FDE
Daniel Defense
MSRP: $1,595.56$0.00The DD4 RIIIS AR15 style Upper Receiver Group is built around a 11.5 inch Cold Hammer Forged Government Profile barrel with a Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and their carbine length gas system. It features a 10.5 inch...MSRP: $1,595.56$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,595.56$0.00Subtotal: -
DD M4V7S UPPER URG 11.5 556NATO
Daniel Defense
MSRP: $1,365.04$0.00The Daniel Defense M4 V7 S Upper Receiver Group is built around a Cold Hammer Forged 11.5" Government profile barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a carbine length gas system for smooth, reliable...MSRP: $1,365.04$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,365.04$0.00Subtotal: -
DD BBL ASSY 300BLK 1-8 CHF 10.3
Daniel Defense
MSRP: $392.50$0.00The Daniel Defense 10.3" 300 Blackout S2W(R) barrel is designed with a strength to weight profile (Daniel Defense's Heavy Barrel), a 1:8" twist rate, and a pistol length gas system. Cold Hammer Forging of barrels has been known for decades to produce the...MSRP: $392.50$0.00Qty in Cart: 0Quantity:Price:MSRP: $392.50$0.00Subtotal: -
DD M4 UPPER 300BLK 10.3 BLKT UPPER
Daniel Defense
MSRP: $1,526.63$0.00High quality components and precise manufacturing makes Daniel Defense 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:...MSRP: $1,526.63$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,526.63$0.00Subtotal: -
DD MK18 URG UPPER 556 10.3 MK18 BLK
Daniel Defense
MSRP: $1,595.56$0.00Use what THEY use. The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been...MSRP: $1,595.56$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,595.56$0.00Subtotal: -
DD BBL ASSY 5.56 1-7 14.5 LW MID
Daniel Defense
MSRP: $422.50$0.00Cold Hammer Forging of barrels has been known for decades to produce the most accurate, longest lasting rifle barrels obtainable. The Cold Hammer Forging of barrels is accomplished through intense hydraulic pressure applied at opposing angles by carbide...MSRP: $422.50$0.00Qty in Cart: 0Quantity:Price:MSRP: $422.50$0.00Subtotal: -
COLT EPR UPPER KIT 5.56 11.5 BLK
Colt
MSRP: $1,142.64$0.00High 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: $1,142.64$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,142.64$0.00Subtotal: -
COLT EPR UPPER KIT 5.56 14.5 BLK
Colt
MSRP: $1,181.25$0.00High 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,181.25$0.00Subtotal: -
COLT M4 UPPER 5.56 11.5 LW BLK
Colt
MSRP: $995.84$0.00High 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $995.84$0.00Subtotal: -
COLT LE6921 UPPER 556NATO 14.5
Colt
MSRP: $923.11$0.00High 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $923.11$0.00Subtotal: -
CMMG BBL BCG KIT 8 9MM 4140CM SBN
CMMG
MSRP: $503.19$0.00CMMG 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $503.19$0.00Subtotal: