AR Parts

Compare ar parts prices from top retailers. Find the best deals across all major brands.

Top AR Parts Brands

Guntec USA 1,096 Palmetto State Armory 826 Aero Precision 796 CMMG 535 Tiger Rock 387 TacFire 359

AR Parts Calibers

5.56x45mm NATO 5,505 223 Remington 2,387 308 Winchester 1,770 300 Blackout 1,032 9mm Luger 971 223 Wylde 759

All AR Parts Products (26,282 results)

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

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

● In Stock

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

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

● Out of Stock

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

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

● Out of Stock

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

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

● Out of Stock

Xm177e2 11.5''''Adeg W/Colt Optic - Brn Xm177e2 5.56mm 11.5'''' Bbl 1-7 Twt Upper Pin/Weld W/4x21mm - Brownells

Xm177e2 11.5''''Adeg W/Colt Optic - Brn Xm177e2 5.56mm 11.5'''' Bbl 1-7 Twt Upper Pin/Weld W/4x21mm

● Out of Stock

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

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

● Out of Stock

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 - Brownells

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

● Out of Stock

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

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

● Out of Stock

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

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

● In Stock

M5 16'''' Assembled Upper Receiver 308 Win W/ Optics - Aero M5 16'''' Upper Ml W/ Tango Msr Lpvo 1-10x28mm Sfp Bdc10 - Brownells

M5 16'''' Assembled Upper Receiver 308 Win W/ Optics - Aero M5 16'''' Upper Ml W/ Tango Msr Lpvo 1-10x28mm Sfp Bdc10

● Out of Stock

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

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

● Out of Stock

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

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

● Out of Stock

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

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

● Out of Stock

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

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

● Out of Stock

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

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

● Out of Stock

Brn16a2 20'''' Upper W/Colt Ar-15 4x21mm - Brn-16a2 5.56x45 Nato 20'''' Bbl Upper Receiver W/Colt 4x21mm -

Brn16a2 20'''' Upper W/Colt Ar-15 4x21mm - Brn-16a2 5.56x45 Nato 20'''' Bbl Upper Receiver W/Colt 4x21mm

● Out of Stock

733 C7 11.5'''' Upperr W/Colt Ar-15 4x21mm Optic - 733 C7 11.5'''' Upper W/Colt Ar-15 4x21mm -

733 C7 11.5'''' Upperr W/Colt Ar-15 4x21mm Optic - 733 C7 11.5'''' Upper W/Colt Ar-15 4x21mm

● Out of Stock

Ultralight .223 Wylde Chrome-Lined Barrels For Ar-15 - .223 Wylde 20'''' 1-8 Ultralight Rifle-Length Chrome-Lined Thrd - Criterion Barrels Inc

Criterion Barrels Inc

Ultralight .223 Wylde Chrome-Lined Barrels For Ar-15 - .223 Wylde 20'''' 1-8 Ultralight Rifle-Length Chrome-Lined Thrd

● Out of Stock

Ar-15 Ctr Stock Collapsible Mil-Spec W/ Folding Stock Adapter - Ar-15 Ctr Stock W/ Folding Stock Adapter Fde -

Ar-15 Ctr Stock Collapsible Mil-Spec W/ Folding Stock Adapter - Ar-15 Ctr Stock W/ Folding Stock Adapter Fde

● In Stock

Ar-15 Sopmod Bravo Stock Collapsible W/ Folding Stock Adapter - Ar-15 Sopmod Bravo Stock W/ Folding Adpater Fde -

Ar-15 Sopmod Bravo Stock Collapsible W/ Folding Stock Adapter - Ar-15 Sopmod Bravo Stock W/ Folding Adpater Fde

● In Stock

416/Mr556 Handguards W/ Retaining Screw - Hk416 7'''' Pdw Handguard W/ Retaining Screw Blk -

416/Mr556 Handguards W/ Retaining Screw - Hk416 7'''' Pdw Handguard W/ Retaining Screw Blk

● Out of Stock

M4a1 Fsp 14.5'''' Stripped Upper Receiver W/ Law Folder - M4a1 Fsp 14.5'''' Stripped Upper W/ Law Folder Fde -

M4a1 Fsp 14.5'''' Stripped Upper Receiver W/ Law Folder - M4a1 Fsp 14.5'''' Stripped Upper W/ Law Folder Fde

● In Stock

M4a1 Riii 14.5'''' Stripped Upper Receivers W/ Law Folder - M4a1 Riii 14.5'''' Stripped Upper W/ Law Folder Fde -

M4a1 Riii 14.5'''' Stripped Upper Receivers W/ Law Folder - M4a1 Riii 14.5'''' Stripped Upper W/ Law Folder Fde

● In Stock

M4a1 14.5'''' Stripped Socom Upper Receivers W/ Law Folder - M4a1 14.5'''' Stripped Socom Upper W/ Law Folder Fde -

M4a1 14.5'''' Stripped Socom Upper Receivers W/ Law Folder - M4a1 14.5'''' Stripped Socom Upper W/ Law Folder Fde

● In Stock