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 16 GVT 300BLK
Rosco Manufacturing
MSRP: $257.59$202.00This Rosco 16" 300 Blackout (300 BLK) Barrel is perfectly suited for precision carbine shooters that plan on running only supersonic ammo, or are building a well-balanced hunting platform.MANUFACTURER: Rosco ManufacturingMPN: PB-16-HB-300BLK-8-PMODEL:...MSRP: $257.59$202.00 -
ROSCO K9 BARREL/HATCHET 5.56 INT GAS
Rosco Manufacturing
MSRP: $244.52$175.00The K9 16" features an intermediate length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate heat from hard use. With weight shifted to the back of the...MSRP: $244.52$175.00 -
ROSCO BL BBL 16 5.56 1/7
Rosco Manufacturing
MSRP: $212.94$153.0016" M4 5.56 NATO Bloodline Barrel: This Rosco 16" M4 5.56 NATO Bloodline Barrel is the perfect addition to your next build featuring perfect balance, properly sized gas ports in order to optimize performance and reduce premature wear and tear from over...MSRP: $212.94$153.00 -
ROSCO BL BBL 16 5.56 HB 1/7
Rosco Manufacturing
MSRP: $234.36$168.00Rosco's Bloodline 16" 5.56 Heavy Barrel: This Rosco 16" 5.56 Heavy Barrel (HB) was made to cater to end users who need to run their guns hard without any remorse. The heavy contour barrel is well suited for full auto use and abuse. Rosco 5.56 (NATO)...MSRP: $234.36$168.00 -
ROSCO BL BBL 16 300BLK HB 1/8
Rosco Manufacturing
MSRP: $249.48$179.00This Rosco 16" 300 Blackout (300 BLK) barrel is perfectly suited for carbines shooters that plan on running only supersonic ammo, or are building a well-balanced hunting platform. Rosco 300 Blackout barrels were created by using input from SOCOM end...MSRP: $249.48$179.00 -
ROSCO 16 GVT 5.56 NATO
Rosco Manufacturing
MSRP: $197.09$141.00The 16" M4 5.56 NATO Bloodline Barrel (Mid-Length). This 16" 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: $197.09$141.00 -
RADICAL BBL 556 16 MID 1-7 TWIST
Radical Firearms
MSRP: $251.99$180.00Radical Firearms produces quality precision made barrels perfect for your next build or replacing an old barrel. Machined from 41V50 Chrome Moly Vanadium Steel and finished with a corrosion resistant Melonite. This exceptionally durable barrel has a bore...MSRP: $251.99$180.00 -
Q FIX BARREL ASSEMBLY 8.6 BLK 8
Q
MSRP: $592.25$515.00Each barrel includes a headspaced barrel extension. Made from 416R Stainless Steel, these barrels feature a bead-blasted matte finish. Q barrels are equipped with button-cut rifling and have a 5/8x24 thread pitch with an M18-1.5 Tapered Muzzle...MSRP: $592.25$515.00 -
Q FIX BARREL ASSEMBLY 8.6 BLK 12
Q
MSRP: $592.25$515.00Each barrel includes a headspaced barrel extension. Made from 416R Stainless Steel, these barrels feature a bead-blasted matte finish. Q barrels are equipped with button-cut rifling and have a 5/8x24 thread pitch with an M18-1.5 Tapered Muzzle...MSRP: $592.25$515.00 -
ODIN BBL 300 BLK 16.1 MED PROF BLK
Odin Works
MSRP: $409.69$328.00Made from 416R Stainless Steel, this 300 Blackout is hand lapped, has M4 feed ramps and 5/8-24 Threading. Comes with a black nitrided Adjustable Gas Block.MANUFACTURER: Odin WorksMPN: B-300-16-P-TG-BLKMODEL: 0Type of Barrel: ThreadedBarrel Length: 16...MSRP: $409.69$328.00 -
ODIN BBL 223 WYLDE 16.1 LT PROF
Odin Works
MSRP: $391.88$314.00223 Wylde is a hybrid of the 223 REM and 5.56. 223 Wylde has a chamber throat that is tighter than the 5.56 achieving better accuracy but still reliably functional with 5.56 ammunition. All DI barrels include stainless steel tunable gas block...MSRP: $391.88$314.00 -
ODIN BBL 223 WYLDE 16.1 MED PROF
Odin Works
MSRP: $391.88$314.00223 Wylde is a hybrid of the 223 REM and 5.56. 223 Wylde has a chamber throat that is tighter than the 5.56 achieving better accuracy but still reliably functional with 5.56 ammunition. All DI barrels include stainless steel tunable gas block...MSRP: $391.88$314.00