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 14.5 223WYLDE
Rosco Manufacturing
MSRP: $222.78$160.74This 14.5" 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: $222.78$160.74 -
ROSCO BL BBL 10.5 300BLK HB 1/7
Rosco Manufacturing
MSRP: $220.50$157.50This Rosco 10.5" 300 Blackout barrel was designed for SBR and Pistol use in conjunction with suppressors. The 10.5" 300 Blackout Rosco barrel was made to be a direct replacement for any MK 18 platforms that are currently in 5.56 NATO. The 10.5" barrel is...MSRP: $220.50$157.50 -
ROSCO BL BBL 8.2 300BLK HB 1/7
Rosco Manufacturing
MSRP: $205.38$146.70This Rosco 8.2" 300 Blackout Bloodline Barrel was designed for SBR and Pistol use in conjunction with suppressors. This is the shortest that Rosco will go to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing...MSRP: $205.38$146.70 -
ROSCO 14.5 GVT 5.56 NATO
Rosco Manufacturing
MSRP: $187.71$134.08The 14.5" M4 5.56 NATO Bloodline Barrel (Mid-Length). This 14.5" M4 5.56 NATO Mid-Length barrel was designed around the USASOC specs for an Improved Upper Receiver Group with a little bit of the Rosco touch as well. The longer gas system allows for a...MSRP: $187.71$134.08 -
ROSCO BL BBL 14.5 5.56 1/7
Rosco Manufacturing
MSRP: $206.64$147.6014.5" M4 5.56 NATO Bloodline Barrel: This Rosco 14.5" M4 5.56 NATO Bloodline Barrel was built around the M4 platform and is designed to be the next evolutionary step in the series. This barrel is perfectly suited for your next patrol or duty carbine...MSRP: $206.64$147.60 -
ROSCO 12.5 M4 5.56 NATO
Rosco Manufacturing
MSRP: $184.28$131.63This Rosco 12.5" 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: $184.28$131.63 -
ROSCO BL BBL 11.5 5.56 1/7
Rosco Manufacturing
MSRP: $192.78$137.70Bloodline 11.5" M4 5.56 NATO: This Rosco 11.5" 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: $192.78$137.70 -
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
RADICAL UPPR 300BLK 10.5 MLOK BLK
Radical Firearms
MSRP: $542.46$295.33The Radical Firearms 10.5" HBAR profile 300BLK is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with the 10" RPR free float rail...MSRP: $542.46$295.33 -
RADIAN UPPER 10.5 223 WYLDE ODG
Radian Weapons
MSRP: $2,152.59$1,904.95The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,152.59$1,904.95 -
RADIAN UPPER 10.5 223 WYLDE FDE
Radian Weapons
MSRP: $2,152.59$1,904.95The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,152.59$1,904.95 -
RADIAN UPPER 10.5 223 WYLDE BROWN
Radian Weapons
MSRP: $2,152.59$1,904.95The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,152.59$1,904.95