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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
PWS MK109 MOD 2-M UPPER 300BLK 9.75
Primary Weapons Systems
MSRP: $1,468.94$1,400.00The PWS MK1 MOD 2-M line features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok technology on the free...MSRP: $1,468.94$1,400.00 -
HK UPPER MR556A4 5.56 11 BLK
HK
MSRP: $2,462.27$2,179.00The MR556 upper receiver kit has been updated to include all the new A4 features, including new barrel profile, adjustable gas block, handguard and more. This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style...MSRP: $2,462.27$2,179.00 -
GE SUPER DUTY MOD1 5.56 10.3 URG DDC
Geissele Automatics
MSRP: $1,625.17$1,439.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...MSRP: $1,625.17$1,439.00 -
DD MK18 URG UPPER 556 10.3 MK18 FDE
Daniel Defense
MSRP: $1,595.56$1,412.00Use what THEY use. The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been...MSRP: $1,595.56$1,412.00 -
DD M4 UPPER 300BLK 10.3 BLKT UPPER
Daniel Defense
MSRP: $1,526.63$1,351.00High quality components and precise manufacturing makes Daniel Defense Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER:...MSRP: $1,526.63$1,351.00 -
Out of stock
GE SUPER DTY MOD1 5.56 13.9 URG DDC
Geissele Automatics
$1,439.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...$1,439.00 -
Out of stock
GE SUPER DTY MOD1 5.56 14.5 URG DDC
Geissele Automatics
$1,439.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...$1,439.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 16 URG DDC
Geissele Automatics
$1,439.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...$1,439.00 -
Out of stock
DD M4A1 FSP UPR RCVR 14.5 PW 556 FDE
Daniel Defense
MSRP: $1,619.00$1,506.00This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel,...MSRP: $1,619.00$1,506.00 -
Out of stock
RADIAN BUILDER KIT 14 OD GREEN
Radian Weapons
MSRP: $1,536.74$1,360.00The 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: $1,536.74$1,360.00 -
Out of stock
RADIAN BUILDER KIT 14 FDE
Radian Weapons
MSRP: $1,536.74$1,360.00The 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: $1,536.74$1,360.00 -
Out of stock
RADIAN BUILDER KIT 14 GRAY
Radian Weapons
MSRP: $1,536.74$1,360.00The 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: $1,536.74$1,360.00