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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ROSCO PB BBL 8.2 300BLK
Rosco Manufacturing
MSRP: $213.01$156.62This Rosco Purebred 8.2" 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. This is the shortest that they will go to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing performance...MSRP: $213.01$156.62 -
Out of stock
ROSCO 13.7 GVT 5.56 NATO
Rosco Manufacturing
MSRP: $185.14$132.24This 13.7" Rosco barrel is the perfect option for an evenly capable SBR/ RECCE build. It is designed to give the shooter maneuverability at close quarters yet allow them to get first round impact hits as far as 300 yards. The gas system has been designed...MSRP: $185.14$132.24 -
Out of stock
ROSCO 10.5 M4 9MM NATO
Rosco Manufacturing
MSRP: $160.93$114.95This Rosco 10.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. The Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. They are a long way from their daddy's...MSRP: $160.93$114.95 -
Out of stock
ROSCO BL BBL 14.5 9MM
Rosco Manufacturing
MSRP: $184.28$131.63The Bloodline 14.5" 9mm Barrel. This Rosco 14.5" 9mm Barrel is the perfect addition for shooters that compete in the USPSA's PCC division, or are searching for a barrel which will offer astounding reliability and accuracy. Twist rates have also been...MSRP: $184.28$131.63 -
Out of stock
ROSCO BL BBL 7.5 9MM 1/10
Rosco Manufacturing
MSRP: $163.80$117.00Bloodline 7.5" 9mm Barrel: This Rosco 7.5" 9mm Barrel was designed for Personal Defense Weapon (PDW) builds where the end user might run suppressed occasionally and have the need for extended accuracy at distance out of a compact platform. Twist rates...MSRP: $163.80$117.00 -
Out of stock
ROSCO BL BBL 5.5 9MM 1/10
Rosco Manufacturing
MSRP: $149.94$107.10Bloodline 5.5" 9mm Barrel: This Rosco 5.5" 9mm Barrel was primarily designed for suppressed carbines/ pistols where the handguard will be ran over the rail. It will give you the flexibility of running a suppressed platform that offers the most compact...MSRP: $149.94$107.10 -
ROSCO BL BBL 10.5 5.56 1/7
Rosco Manufacturing
MSRP: $185.22$132.30Bloodline 10.5" M4 5.56 NATO: This Rosco 10.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. ALL NFA RULES APPLY! Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters...MSRP: $185.22$132.30 -
Out of stock
PWS UXR ELITE CONV KIT 7.62X39 14.5
PWS
MSRP: $566.23$0.00PWS UXR ELITE CONV KIT 7.62X39 14.5"MANUFACTURER: 0MPN: UXR-CK-762X39-14MODEL: UXR EliteBarrel Length: 14.5"Caliber: 7.62X39Type: KitColor: BlackMSRP: $566.23$0.00 -
Out of stock
PWS UXR ELITE CONV KIT 8.6BLK 14.5
PWS
MSRP: $566.23$0.00PWS UXR ELITE CONV KIT 8.6BLK 14.5"MANUFACTURER: 0MPN: UXR-CK-86BLK-16MODEL: UXR EliteBarrel Length: 14.5"Caliber: 8.6 BlackoutType: KitColor: BlackMSRP: $566.23$0.00 -
Out of stock
PWS UXR ELITE CONV KIT 8.6BLK 10.5
PWS
MSRP: $566.23$0.00PWS UXR ELITE CONV KIT 8.6BLK 10.5"MANUFACTURER: 0MPN: UXR-CK-86BLK-12MODEL: UXR EliteBarrel Length: 10.5"Caliber: 8.6 BlackoutType: KitColor: BlackMSRP: $566.23$0.00 -
Out of stock
PWS UXR ELITE CONV KIT 308 WIN 14.5
PWS
MSRP: $566.23$0.00PWS UXR ELITE CONV KIT 308 WIN 14.5"MANUFACTURER: 0MPN: UXR-CK-308-14MODEL: UXR EliteBarrel Length: 14.5"Caliber: 308 WinchesterType: KitMSRP: $566.23$0.00 -
Out of stock
PWS UXR ELITE CONV KIT .300BLK 10.5
PWS
MSRP: $566.23$0.00PWS UXR ELITE CONV KIT .300BLK 10.5"MANUFACTURER: 0MPN: UXR-CK-300BLK-10MODEL: UXR EliteBarrel Length: 10.5"Caliber: 300 BlackoutType: KitMSRP: $566.23$0.00