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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Out of stock
RADIAN ENHANCED BCG FOR AR15 BLK NIT R0081
Radian Weapons
MSRP: $262.44$209.95The Enhanced Bolt Carrier Group for AR15/M16 platform weapons was designed to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces. All materials, tolerances, and coatings meet or exceed MilSpec...MSRP: $262.44$209.95 -
Out of stock
PHASE5 BOLT CARRIER GROUP M16 BLK
Phase 5 Weapon Systems
MSRP: $210.00$150.00Phase 5's Mil-spec M16/M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt. All bolts are HPT/MPI tested.MANUFACTURER: Phase 5...MSRP: $210.00$150.00 -
Out of stock
LWRC ADVANCED DI BCG 6.8SPC
LWRC
MSRP: $428.75$343.00The Advanced Direct Impingement Bolt Carrier Group offers superior performance, increased reliability, and longer part replacement life cycles than the MIL-STD components. These gains are achieved through LWRCI's design technology paired with...MSRP: $428.75$343.00 -
LBE AR15 BOLT CARRIER GAS KEY BLK
LBE Unlimited
MSRP: $29.40$21.95High 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. This LBE AR15 Bolt...MSRP: $29.40$21.95 -
Out of stock
LANTAC E-BCG 556 SIDE CHARGE NIB
LanTac USA LLC
MSRP: $362.49$289.99Lantac Enhanced Bolt Carrier Group, .223/5.56mm Nickel Boron, Side Charger. This high-quality enhanced bolt carrier group is made from 8620 steel and coated with nickel boron. It ships with three side charger options: knurled steel, smooth steel with a...MSRP: $362.49$289.99 -
LANTAC 308 ENHANCED BCG BLK NITRIDE
LanTac USA LLC
MSRP: $396.24$316.99High quality components and precise manufacturing make Lantac 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: LanTac...MSRP: $396.24$316.99 -
Out of stock
LANTAC M-SPEC BCG 762 NITRIDE BLK
LanTac USA LLC
MSRP: $276.24$220.99Not every customer has the requirement or budget for a fully enhanced, top of the line AR15 accessory. Many users simply need a quality milspec component supplied at a sensible price. M-SPEC is a range of AR15 accessories and components that follow the...MSRP: $276.24$220.99 -
Out of stock
KAK K-SPEC ENH AR BOLT 556/300BLK PH
KAK Industry
MSRP: $113.39$80.99The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection reliability and...MSRP: $113.39$80.99 -
Out of stock
KAK AR15 BCG M16 556 K-SPEC FDE DE
KAK Industry
MSRP: $269.99$215.99The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...MSRP: $269.99$215.99 -
Out of stock
KAK AR15 BCG M16 556 CLP C158 BLK
KAK Industry
MSRP: $176.33$125.95Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of...MSRP: $176.33$125.95 -
Out of stock
KAK AR15 BCG M16 556 K-SPEC CHR DE
KAK Industry
MSRP: $274.99$219.99The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...MSRP: $274.99$219.99 -
Out of stock
KAK AR15 BCG M16 556/300 CLP BLK
KAK Industry
MSRP: $163.79$116.99Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of...MSRP: $163.79$116.99