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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FAXON BBL 8.6BLK 16 BIG GUNNER
Faxon Firearms
MSRP: $281.75$225.00As with all Faxon Barrels, these 8.6 BLK barrels are machined from raw bar stock in their greater Cincinnati Facility. Faxon 8.6 BLK barrels are fully stress-relieved, air-gauge tested, Magnetic Particle Inspected, and 11-degree target crowned to ensure...MSRP: $281.75$225.00 -
FAXON DUTY BBL 308WIN 18 RFL BGNR
Faxon Firearms
MSRP: $286.35$219.00Faxon's .308 continue their fantastic barrel-making with a bit more punch. They have updated the previous Medium-Taper profile taking into account customer feedback, optimizing the barrel to meet the Gunner brand's high standards. The .308 Big Gunner...MSRP: $286.35$219.00 -
FAXON DUTY BBL 308WIN 16 PENCIL
Faxon Firearms
MSRP: $297.85$219.00Manufactured in-house, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Quality is imbued into their barrels from the start. They start with the best materials, either certified 4150...MSRP: $297.85$219.00 -
FAXON BBL 308WIN 16 BIG GUNNER
Faxon Firearms
MSRP: $274.85$218.00The .308 Big Gunner profile barrels are the big-brother to Faxon's famous 5.56 Gunner barrels. The Big Gunners feature a medium-taper behind the gas block. The gas block journal is set to .750" for compatibility with most common gas blocks and 1.9" in...MSRP: $274.85$218.00 -
FN BBL M16 BB 18 RIFLE LENGTH 556
FN America
MSRP: $348.75$279.00FN AR15 premium button rifled barrels are manufactured using U.S. sourced Chrome Moly Venadium material per Mil-B-11595E. Each barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to ensure that it is free of micro-stresses or...MSRP: $348.75$279.00 -
FN BBL M16 BB 16 MID LENGTH 556
FN America
MSRP: $348.75$279.00FN AR15 premium button rifled barrels are manufactured using U.S. sourced Chrome Moly Venadium material per Mil-B-11595E. Each barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to ensure that it is free of microstresses or flaws,...MSRP: $348.75$279.00 -
FN BBL M16 BB 10.5 CARB LENGTH 556
FN America
MSRP: $348.75$279.00FN AR15 premium button rifled barrels are manufactured using U.S. sourced Chrome Moly Venadium material per Mil-B-11595E. Each barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to ensure that it is free of microstresses or...MSRP: $348.75$279.00 -
DD BBL ASSY 5.56 1-7 16 M4 CAR
Daniel Defense
MSRP: $422.50$338.00High 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: $422.50$338.00 -
DBB BBL 5.56NATO 16 MID MED 1/8 BLK
Diamondback Firearms
MSRP: $120.40$95.00At Diamondback, they are able to produce barrels that meet the shooters requirements. Their barrel blanks are made from premium materials and machined using some of the finest equipment on the market. Diamondback has several high-quality CNC machines...MSRP: $120.40$95.00 -
DBB BBL 556 16 CARB MED 1/9 BLK
Diamondback Barrels
MSRP: $120.40$95.00Diamondback Firearms began in 1989 with a desire to create products without compromise. Since then Diamondback has developed some of the most efficient AR15 and concealed carry pistol platforms available.MANUFACTURER: Diamondback BarrelsMPN:...MSRP: $120.40$95.00 -
CMMG BBL AND BCG KIT 16.1 5.7X28MM
CMMG
MSRP: $537.56$445.00The 16.1" 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...MSRP: $537.56$445.00 -
CMMG BARREL 16.1 350 LEGEND SBN
CMMG
MSRP: $219.56$172.00Perfect for building your custom Mk4 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced. Made of 4140CM with a SBN Finish.MANUFACTURER: CMMGMPN: 35D5F0AMODEL: 0Type of Barrel: 01:16:00Barrel...MSRP: $219.56$172.00