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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PWS MK116 MOD 2-M UPR 16 762X39 BLK
Primary Weapons Systems
$1,400.00The PWS MK1 MOD 2-M line, revamped for 2018, 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...$1,400.00 -
LANTAC RECON UPPER 223 WYLDE 16
LanTac USA LLC
MSRP: $1,322.99$1,191.00The LA-SF15 RECON URG (Upper Receiver Group) is built to the highest quality standards and assembled by a skilled team of armorers. Each URG undergoes a shot test at Lantac's facility and includes a lifetime warranty against defects. The LA-SF15 URG...MSRP: $1,322.99$1,191.00 -
GE URG-I NC 556NATO 14.5 BLK/DDC
Geissele Automatics
$1,479.00For more than 50 years the famed silhouette of the M16/M4 has only had one major and several minor changes. Barrel lengths and buttstocks have changed, but more or less the evolution of America's right arm has proceeded apace with each generation of...$1,479.00 -
RADIAN BUILDER KIT 8.5 BROWN
Radian Weapons
MSRP: $1,378.54$1,220.00The 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: $1,378.54$1,220.00 -
RADIAN BUILDER KIT 14 BROWN
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 -
RADIAN BUILDER KIT 15.5 BLACK
Radian Weapons
MSRP: $1,581.94$1,400.00The 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: $1,581.94$1,400.00 -
RADIAN BUILDER KIT 17 BLACK
Radian Weapons
MSRP: $1,632.79$1,445.00The 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: $1,632.79$1,445.00 -
SOLGW L89 BS V2 5.56 11.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $1,369.28$1,212.00The L89BS (Broadsword) uppers include 7-sided L89 rails with Titanium barrel nuts and integral QD cups, BROADSWORD upper receivers, 4150CMV barrels, low profile gas blocks, and include the muzzle device. Bolt Carrier Groups and Charging Handles are NOT...MSRP: $1,369.28$1,212.00 -
MAXIM PDX UPPER 300BLK 5.5 BLK
Maxim Defense Industries
MSRP: $1,317.02$1,166.00The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...MSRP: $1,317.02$1,166.00 -
MAXIM PDX UPPER 300BLK 5.5 ARID
Maxim Defense Industries
MSRP: $1,317.02$1,166.00The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...MSRP: $1,317.02$1,166.00 -
MAXIM PDX UPPER 5.56 5.5 BLK
Maxim Defense Industries
MSRP: $1,317.02$1,166.00The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...MSRP: $1,317.02$1,166.00 -
LANTAC PATROL UPPER 300 BO 14.5
LanTac USA LLC
MSRP: $1,328.30$1,176.00The LA-SF15 PATROL URG (Upper Receiver Group) is built to the highest quality standards and assembled by a skilled team of armorers. Each URG undergoes a shot test at Lantac's facility and comes with a lifetime warranty against defects. The LA-SF15 URG...MSRP: $1,328.30$1,176.00