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
DD M4V7 UPPER 556 16 MLOK BLK
Daniel Defense
MSRP: $1,300.00$1,208.00The Daniel Defense M4 V7 Upper Receiver Group is built around a Cold Hammer Forged 16" Government profile barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a mid-length gas system for smooth, reliable cycling...MSRP: $1,300.00$1,208.00 -
Out of stock
DD M4A1 UPPER URG 14.5 PB 556 FDE
Daniel Defense
MSRP: $1,612.00$1,499.00The Daniel Defense M4A1 Upper Receiver Group features the M4A1 Rail Interface System (RIS II), which has been in use by US Special Operations Command (SOCOM) for the SOPMOD II Weapons System since 2005. This two-piece, free-floating rail system allows...MSRP: $1,612.00$1,499.00 -
Out of stock
RADIAN BUILDER KIT 10 OD GREEN
Radian Weapons
MSRP: $1,418.09$1,255.00The 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: $1,418.09$1,255.00 -
Out of stock
RADIAN BUILDER KIT 10 BLACK
Radian Weapons
MSRP: $1,418.09$1,255.00The 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: $1,418.09$1,255.00 -
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 -
Out of stock
RADIAN BUILDER KIT 14 BLACK
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
SOLGW L89 BS V2 5.56 14.5 HUX BLK
Sons of Liberty Gun Works
MSRP: $1,476.06$1,307.00The 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: $1,476.06$1,307.00 -
Out of stock
PWS MK114 MOD 2-M UPR 14.5 223WYLDE
Primary Weapons Systems
MSRP: $1,468.94$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...MSRP: $1,468.94$1,400.00 -
Out of stock
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 -
Out of stock
MAXIM PDX UPPER 5.56 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