Brownells Rifle Parts

Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 16'''' Heavy Barrel

Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 14.5'''' Medium Barrel

Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 14.5'''' Heavy Barrel

Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 10.4'''' Medium Barrel

Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 10.4'''' Heavy Barrel

M4 Buttstock Kit Mil-Spec For Ar-15 - Brn Ar-15 M4 Mil-Spec Collapsible Buttstock Kit, Black

Two Position Buttstock Kit For Ar-15 - Brn Ar-15 Two Position Collapsible Buttstock Kit, Black

Xm177e2 Complete Upper Receiver & 4x Retro Carry Handle Scope - Xm177e2 Upper Receiver 11.5'''' 1-7 & Retro Colt 4x Optic (Dupe

Xm177e2 Complete Upper Receiver & 4x Retro Carry Handle Scope - Xm177e2 Upper Receiver 11.5'''' 1-12 & Retro Colt 4x Optic (Dup

M16a1 Retro Buttstock & Buffer Tube Assembly For Ar-15 - Brn-16a1 Buttstock & Buffer Tube Assembly, Brown

M16a1 Retro Buttstock & Buffer Tube Assembly For Ar-15 - Brn-16a1 Buttstock & Buffer Tube Assembly, Green

M16a1 Retro Buttstock & Buffer Tube Assembly For Ar-15 - Brn-16a1 Buttstock & Buffer Tube Assembly, Black

Xm177e2 11.5''''Adeg W/Colt Optic - Brn Xm177e2 5.56mm 11.5''''bbl 1-12 Twt Upper Pin/Weld W/4x21mm

Xm177e2 12.7'''' Carbine Length Pinned/Welded W/Colt Ar-15 Optic - Brn Xm177e2 5.56mm 12.7'''' Bbl 1-7 Twt Upper Pin/Weld W/4x21mm

M16a1 20'''' Rifle Length Upper W/Colt Ar-15 4x21mm - Brn-16a1 5.56x45 Nato 20'''' Bbl 1-12 Twist Upper W/Colt 4x21mm

Dd 10.3'''' Mk18 Riii Upper Receiver W/ Eotech Optics - Dd 10.3'''' Mk18 Riii Upper W/ Exps3-0 Holographic Red Dot

Dd 10.3'''' Mk18 Riii Upper Receiver W/ Eotech Optics - Dd 10.3'''' Mk18 Riii Upper W/ Exps2-0 Holographic Red Dot

Dd 14.5'''' M4a1 Somcom Upper Receiver W/ Eotech Optic - Dd 14.5'''' M4a1 Socom Upper W/ Exps2-0 Holographic Red Dot

Dd 10.3'''' Mk18 Socom Upper Receivers W/ Optics - Dd 10.3'''' Mk18 Socom Upper W/ Exps2-0 Holographic Red Dot

M5 16'''' Assembled Upper Receiver 308 Win W/ Optics - Aero M5 16'''' Upper Mid-Length W/ Tango Msr 1-6x24mm Sfp Bdc6

M5 16'''' Assembled Upper Receiver 308 Win W/ Optics - Aero M5 16'''' Upper Mid-Length W/ Exps3-0 Holographic Red Dot

M4e1-T 16'''' Upper Receiver 223 Wylde W/ Optics - Aero 16''''assemb Uppr Mid-Length W/Tango Msr 1-6x24mm Sfp Bdc6

M4e1-T 16'''' Upper Receiver 223 Wylde W/ Optics - Aero 16'''' Assemb Upper Mid-Length W/Exps3-0 Holo Red Dot

M4e1-T 16'''' Upper Receiver 223 Wylde W/ Optics - Aero 16'''' Assemb Upper Mid-Length W/Exps2-0 Holo Red Dot