AR-15 Uppers and Upper Parts

AR‑15 Upper Receivers & Upper‑Assembly Parts designed to fit Mil‑Spec AR‑15

AR15 Uppers and Upper Parts

AR-15 Uppers and Upper Parts to fit Milspec AR15, M16, and M4 Firearms.

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  • AR15 Assembled Upper Receiver by SOTA Arms
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    SOTA Arms

    SOTA Arms Assembled AR-15 Upper

    $44.95
    AR15 Assembled Upper Receiver by SOTA ArmsThe AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. CNC Machined from Billet aluminum, this assembled upper meets and exceeds mil-spec M16/M4 specifications and...
    195-DA-501
    $44.95
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  • AR15 Bolt Carrier Group Black Nitride 6.8 SPC, 400 Legend
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    E. Arthur Brown Company

    AR15 Bolt Carrier Group Black Nitride 6.8 SPC

    $89.95
    6.8 Rem SPC AR15 Bolt Carrier Group Shot Peened Black Nitride Finish w/No Logo Fits 6.8 Rem SPC, 400 Legend, 224 Valkyrie, etc.    Precision machined complete BCG (Bolt Carrier Group) with Black Nitride finish for excellent durability and...
    195-DA-506
    $89.95
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  • AR15 Bolt Carrier Group Black Nitride 6.5 Grendel Type II
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    E. Arthur Brown Company

    AR15 Bolt Carrier Group Black Nitride 6.5 Grendel Type II

    $79.95
    Black Nitride AR15 Bolt Carrier Group Shot Peened Black Nitride Finish w/No Logo Fits 6.5 Grendel Type II, 6 ARC, etc.    Precision machined complete BCG (Bolt Carrier Group) with Black Nitride finish for the excellent durability and...
    195-DA-528
    $79.95
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  • AR15 Bolt Carrier Group Black Nitride 223/5.56
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    E. Arthur Brown Company

    AR15 Bolt Carrier Group Black Nitride 223/5.56

    $69.95
    Black Nitride AR15 Bolt Carrier Group Shot Peened Black Nitride Finish w/No Logo Fits 223 Rem, 5.56 NATO, 300 Blackout, 350 Legend, etc.    Precision machined complete BCG (Bolt Carrier Group) with Black Nitride finish for the excellent...
    195-DA-502-223
    $69.95
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  • AR-15 Buffer Tube Assembly A1/A2 Rifle Length
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    E. Arthur Brown Company

    AR-15 Buffer Tube Assembly A1/A2 Rifle Length

    $39.95
    $29.95
    Our Mil-Spec Rifle Length Buffer Tube Kit consists of a 10" fixed position buffer tube, heavy 5.6 oz buffer assembly and an 11.5" pre-loaded steel spring. The buffer tube is made of T6-6061 aluminum and is designed to fit any A1/A2 fixed position...
    127-TBS-L
    $39.95
    $29.95
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    $29.95
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  • 127-GB936 AR-15 Gas Block Low Profile .936 Steel
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    E. Arthur Brown Company

    AR-15 Gas Block Low Profile .936 Steel

    $19.95
    $16.95
    AR-15 Gas Block – Low Profile .936" Steel Designed for larger-diameter barrels and compact builds, this .936" Low Profile Gas Block delivers strength and simplicity. Crafted from rugged 4150 steel with mil-spec specs and a non-reflective matte...
    127-GB936
    $19.95
    $16.95
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    $16.95
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  • AR-15 Gas Block Low Profile .750 dia steel
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    E. Arthur Brown Company

    AR-15 Gas Block .750 Low Profile Steel

    $19.95
    $12.95
    This is a standard AR-15 Micro Sized Gas Block. Designed with the minimum profile to fit under nearly any handguard system, it snugly fits standard .750 diameter barrels. Has a shallow "cut" mark in the front face for those who want to do witness marking...
    127-GB01-L
    $19.95
    $12.95
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    $12.95
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  • AR-15 Ambidextrous Charging Handle Black
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    E. Arthur Brown Company

    AR-15 Ambidextrous Charging Handle Black

    $19.95
    $16.95
    AR-15 Ambidextrous Charging Handle Black A very nice ambidextrous charging handle at an affordable price. Lightweight anodized black aluminum. E. Arthur Brown Company, Inc 4088 County Road 40 NW, Garfield, MN 56332
    127-CH-AMBI-ST
    $19.95
    $16.95
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  • AR-15 Tactical Charging Handle
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    E. Arthur Brown Company

    AR-15 Tactical Charging Handle

    $16.95
    $12.95
    A Standard AR-15 Charging Handle. Mil-Spec 6061-T6 Aircraft Aluminum Smooth Operation under Extreme Conditions Black Finish Fits: AR-15 E. Arthur Brown Company, Inc 4088 County Road 40 NW, Garfield, MN 56332
    127-CH223
    $16.95
    $12.95
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    $12.95
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  • Nickel Boron AR15 Bolt Carrier Group Left Side Detail
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    E. Arthur Brown Company

    AR15 Bolt Carrier Group Nickel Boron .223/5.56

    $109.95
    Nickel Boron AR15 Bolt Carrier Group Shot Peened Nickel Boron Finish w/No Logo Fits 223, 5.56, 350 Legend, 300 Blackout, etc.    Precision machined complete BCG (Bolt Carrier Group) with Nickel Boron finish for the best lubricity, function,...
    195-DA-504
    $109.95
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  • Spitfire AR 300 Blackout Muzzle Compensator Brake with QD Blast Shield
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    GunTec USA

    Spitfire AR 300 Blackout Muzzle Compensator Brake with QD Blast Shield

    $149.95
    $129.95
    AR 300 Blackout Muzzle Brake-Comp w/QD Blast Shield  Combo brake and blast shield kit for 300 Blackout and .308 AR Rifles and Pistols. Reduces felt concussion in close quarters. Brake/compensator screws onto flash hider threads. Blast shield screws...
    018-SPITFIRE-300
    $149.95
    $129.95
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  • On Sale
    AR15 Barrel Nut Shim for Free Floating Handguard
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    GunTec USA

    AR15 Barrel Nut Shim for Free Floating Handguard

    $9.95
    $5.95
    $6.95
    AR15 barrel nut shim for free float handguard/quad rail. • Helps improve torque, timing, indexing, alignment of barrel nut • This 0.32mm stainless steel shim fits between the barrel nut and upper receiver • Works with .223/5.56/300 AAC Blackout • Does...
    018-SHIM
    $9.95
    $5.95
    $6.95
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    $9.95
    $5.95
    $6.95
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  • AR15/M16 Handguard Rail Covers - Sold Singly
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    Choate Gunstocks

    AR15/M16 Handguard Rail Cover

    $3.84
    AR15/M16 Rail Cover for Railed Handguard or Forend. This rail cover is designed to fit all Mil-Standard M1913 picatinny rails. Black.
    317-160926
    $3.84
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  • AR-15 Receiver Link Kit
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    Wheeler

    AR-15 Receiver Link Kit

    $16.99
    AR-15 Receiver Link KitHolds Your Upper In Open Position for Cleaning and Service  The AR-15 Adjustable Receiver Link is designed to maintain and secure the opened position of your AR-15 upper and lower assembly. The kit comes with one upper link...
    201-156000
    $16.99
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  • AR10 LR308 Bolt Carrier Group Black Nitride
    Out of stock

    E. Arthur Brown Company

    AR10 LR-308 Bolt Carrier Group Black Nitride fits DPMS Gen 1

    $149.95
    Black Nitride AR10/LR-308 Bolt Carrier Group Shot Peened Black Nitride Finish w/No Logo Fits 308 Win, 6.5 Crd, 7.62 NATO, etc.    Precision machined complete BCG (Bolt Carrier Group) with Black Nitride finish for the excellent durability and...
    195-DA-502-308
    $149.95
    Out of stock
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  • AR15 Bolt Assembly
    Out of stock

    E. Arthur Brown Company

    AR15/M16 Bolt Assembly 223/5.56 NATO Nickel Boron

    $119.00
    $89.00
    AR15/ M16 Bolt Assembly, Nickel Boron Finish.  Replaces your factory bolt head assembly and fits into your Bolt Carrier. Compatible with all AR15/M16 milspecs but made better with superior materials and production processes. Our bolts are made with...
    199-UP053
    $119.00
    $89.00
    Out of stock
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    $89.00
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  • AR-15 Upper Vise Block
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    Wheeler

    AR-15 Upper Vise Block

    $34.00
    AR-15 Upper Vise Block Works Two Ways...Secure By Picatinny Rail OR By Pinning Thru Take-Down LugsThis innovative AR vise block will secure AR-15 uppers by engaging the takedown lugs on the bottom of the receiver. By reversing the direction it will...
    201-156888
    $34.00
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  • AR-15 Forend Strap Wrench for Free Floating Handguards
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    Wheeler

    AR-15 Forend Strap Wrench for Free Floating Handguards

    $16.99
    AR-15 Free Floating Handguard Wrench Specially designed strap wrench for tightening or loosening Free Floated AR-15 Handguards. The rubber strap cinches tight against round or railed free floating hand guards... It doesn't scratch or dent anything. The...
    201-567839
    $16.99
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  • AR-15 Delta Ring Compression Tool
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    Wheeler

    AR-15 Delta Ring Compression Tool

    $17.99
    AR-15 Delta Ring Compression ToolThe AR-15 Delta Ring Tool makes removing mil-spec AR-15 and M16 handguards easy by compressing the Delta Ring with one hand. It has 100% Vinyl coating that protects the guns finish from damage. Custom formed wire...
    201-209943
    $17.99
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    $17.99
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