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 12.5 M4 5.56 NATO
Rosco Manufacturing
MSRP: $184.28$132.00This 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$132.00 -
ROSCO BL BBL 11.5 5.56 1/7
Rosco Manufacturing
MSRP: $192.78$138.00Bloodline 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$138.00 -
ROSCO BL BBL 10.5 5.56 1/7
Rosco Manufacturing
MSRP: $185.22$133.00Bloodline 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$133.00 -
ODIN BBL 300 BLK 8 MED PROF BLK
Odin Works
MSRP: $314.69$252.00Made 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-300-8-P-TG-BLKMODEL: 0Type of Barrel: ThreadedBarrel Length:...MSRP: $314.69$252.00 -
MSBRG 514 KIT 12/14/CYL W/ASSEMBLY
Mossberg
MSRP: $358.81$296.00After over 50 years and over 10 million and counting-and the only pump action to be declared MilSpec-the Mossberg 500 has proven to be one of the most versatile and reliable shotgun platforms available, offering a model to fit every application, and...MSRP: $358.81$296.00 -
LUTH AR 14.5 SOCOM BBL W/FSB
Luth-AR
MSRP: $250.03$174.00This 14.5" SOCOM profile barrel is perfect for your AR-15 build. It features a front sight tower for easy targeting and enhanced accuracy and longevity. The 1:7 twist rate is ideal for a wide range of bullet weights. Get the best performance from your...MSRP: $250.03$174.00 -
LUTH AR 11.5 LGHTWGHT BBL W/FSB
Luth-AR
MSRP: $234.23$170.00This 11.5" Government profile barrel is perfect for your AR-15 build. It features a front sight tower for easy targeting and enhanced accuracy and longevity. The 1:7 twist rate is ideal for a wide range of bullet weights. Get the best performance from...MSRP: $234.23$170.00 -
LBE AR 5.56NATO 1/7 TWIST 14.5 BLK
LBE Unlimited
MSRP: $280.30$225.00High quality components and precise manufacturing make LBE 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. LBE Unlimited AR barrels...MSRP: $280.30$225.00 -
LBE AR 5.56NATO 1/7 TWIST 13.7 BLK
LBE Unlimited
MSRP: $280.30$225.00High quality components and precise manufacturing make LBE 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. LBE Unlimited AR barrels...MSRP: $280.30$225.00 -
LBE AR 5.56NATO 1/7 TWIST 12.5 BLK
LBE Unlimited
MSRP: $296.38$248.00High quality components and precise manufacturing make LBE 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. LBE Unlimited AR barrels...MSRP: $296.38$248.00 -
LANTAC 11.5 300 BLACKOUT BARREL BLK
LanTac USA LLC
MSRP: $303.74$243.00Lantac barrels are manufactured to the highest level of accuracy during the machining process. Each barrel is chambered and head spaced to a master bolt face with barrel extension individually matched to each barrel too. The barrel blanks are precision...MSRP: $303.74$243.00 -
FN BBL AR15 HF 14.5 CARBINE 556NATO
FN America
MSRP: $436.25$327.00FN AR15 barrels are hammer forged using the same proprietary high-grade Chrome Moly Vanadium steel used in FN's venerable machinegun barrels produced to handle the punishment of sustained fully automatic fire. After forging, each barrel is Magnetic...MSRP: $436.25$327.00