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Ar 15 Upper Receiver

Best Sellers
  1. Ar-15 9mm Upper Receiver Assembly - A2 9mm Upper Receiver
    Item#:
    739-000-012  
    Our Price:
    $529.99
    Description:
    Easily Convert Your .223 AR Into A Fast-Shooting 9mm
  2. Ar-15 Stripped A2 Upper Receiver - Stripped A2 Upper Receiver
    Item#:
    231-000-152  
    Our Price:
    $99.99
    Description:
    Fully machined and finished, military style uppers ready for you to install your choice of barrel, carrier, bolt, forearm, and lower to build a custom AR-15. A2 carry handle style, complete with cuts for mounting A2 rear sight. Features shell deflector, forward assist housing, and provisions for installing an ejection port cover. Precision machined from a premium-grade aluminum forging and hardcoat anodized for extra strength, with a tough, scratch-resistant Teflon coating. Does Not feature M4 Style Cuts. Mfg: Dpms SPECS: Aluminum, hard anodized, Teflon coated, matte black. Fits mil-spec AR-15 lower receiver with .250” pivot pins. Does Not feature M4 Style Cuts.
  3. Billet Ar-15 Upper Receiver - Ar-15 Billet Upper Receiver
    Item#:
    100-022-554  
    Our Price:
    $59.99
    List Price: $69.99
    Description:
    Stripped Receiver 6061 Aluminum Type III Class II Hard Coat Anodized Features M4-type feed ramps Flattop 1913 Picatinny rail Forward Assist Dust cover port and forward assist are machined into the receiver. Integral Shell Deflector Designed to accept Mil-Spec parts Tighter Tolerances than forged receivers Matte black finish Made in the USA. Mfg: Noreen Firearms, Llc
  4. Ar-15 Flattop Upper Receiver - Stripped Flattop Upper Receiver
    Item#:
    274-000-019  
    Our Price:
    $60.99
    Description:
    M4/A3-style upper receiver is available stripped. Precision machined from a 7075 T6 aluminum alloy forging to USGI dimensions, and ready to mate with the mil-spec lower and internal components of your choice. Includes M4-type feed cuts and alphanumeric position markers stamped into the rail slots. Hardcoat anodized to resist wear, add strength, and protect from corrosion. Hard dry-lube surface treatment protects the anodizing from scuffs and reduces friction between bolt carrier and receiver walls for ultra-smooth operation, less wear, and longer service life. Mfg: D.S. Arms SPECS: 7075 T6 aluminum, hardcoat anodized, dry-lube finish, matte black. .250” takedown/pivot pin holes.
  5. Ar-15 Upper Receiver Assembly No Bcg - Ar-15 Upper Receiver Assembly No Bcg High Gas Block
    Item#:
    100-019-905  
    Our Price:
    $229.00
    Description:
    Complete AR-15 Upper Receiver Assembly less Bolt Carrier Group & Charging Handle.  Included Picatinny Gas Block is the same height as the receiver, to allow for use of back up iron sights.  Upper features an A2 flash hider, attached to a 16" M4 profile barrel with a 1-8 twist.  Barrel chambered in 5.56x45mm NATO features M4 feed ramps, 1/2-28 muzzle threads and a .750" diameter gas block journal.  Carbine length gas system allows for reliable function, and compatibility with a wide variety of aftermarket handguards & forends.  Included polymer handguards include a heat shield.  Forged aluminum 7075 T6 upper receiver includes ejection port co Mfg: Anderson Manufacturing
  6. Sr-15 E3 Mod 2 Upper Receivers M-Lok - Ar-15 Upper Receiver Mod 2 16" Urx 4 M-Lok
    Item#:
    100-023-388  
    Our Price:
    $1,700.00
    Description:
    Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and ev Mfg: Knights Armament

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Ar 15 Left Hand Upper Receiver

Related Items
  1. Sr-15 E3 Mod 2 Upper Receivers M-Lok - Ar-15 Upper Receiver Lpr Mod 2 18" Urx 4 M-Lok
    Item#:
    100-023-389  
    Our Price:
    $1,950.56
    Description:
    Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and ev Mfg: Knights Armament
  2. Sr-15 E3 Mod 2 Upper Receivers M-Lok - Ar-15 Upper Receiver Cqb Mod 2 11.5" Urx 4 M-Lok
    Item#:
    100-023-386  
    Our Price:
    $1,762.50
    Description:
    Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and ev Mfg: Knights Armament
  3. Ar-15 14.5 Complete Upper Receiver - Complete Upper Receiver 14.5"
    Item#:
    160-000-393  
    Our Price:
    $959.99
    Description:
    Add the Colt legend of reliability to you rifle or build with these complete upper receivers from Colt. These are the same upper receivers that can be found on the LE6920, LE6920 SOCOM, and LE6940 model rifles. LE6944CK features a one-piece monolithic upper receiver that has a continuous Mil-Spec rail from the rear of the upper receiver to the front sight and a free floating barrel. LE6944CK has a 14.5” barrel. Includes a charging handle, bolt carrier group, and back up sights. All NFA rules apply. Mfg: Colt
  4. A4 9mm 10.5" Upper Receiver - 9mm 10.5 Inch A4 Upper Receiver
    Item#:
    739-000-022  
    Our Price:
    $630.00
    Description:
  5. Ar-15 M4e1 Enhanced Upper Receiver - M4e1 Enhanced Upper Receiver
    Item#:
    100-015-499  
    Our Price:
    $149.00
    Description:
    Aero Precision’s M4E1 Enhanced Upper Receiver is a new take on the way the handguard attaches to the upper receiver on AR-15/M16 platforms. The upper receiver is made from forged 7075 T6 aluminum with the handguard mounting platform forged as an integral part of the receiver.  The receiver also features M4 feed ramps, laser engraved T-marks, hard coat anodizing, accepts standard AR-15/M16 components, and includes the barrel nut and wrench. Mfg: Aero Precision SPECS: Material: Forged 7075 T6 Aluminum with hard coat anodized finish.
  6. Ar-15 Stripped Upper Receiver - Stripped Upper Receiver
    Item#:
    100-010-543  
    Our Price:
    $98.50
    Description:
    YHM machines these receivers to precise final specifications from 7075 aluminum forgings to produce a tough, high-quality upper you can depend on. Features include M4-pattern feed cuts for reliable feeding, engraved “T” marks on the rail for precise optic positioning, and a military-style, hard-anodized finish that will stand up to rough use. Fits standard AR-15 and M16 lower receivers, and accepts any mil-spec barrels, handguards, and other components. Mfg: Yankee Hill Machine Co., Inc. SPECS: 7075 T6 aluminum, hardcoat anodized matte black. Stripped receiver only; no parts included. Accepts .250 dia.” takedown and pivot pins.

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Ammunition
  1. 5.56x45mm Nato 50gr Tsx Optimised Ammo - 5.56x45mm Nato 50gr Tsx Optimized 50/Box
    Item#:
    105-001-388  
    Our Price:
    $71.62
    Description:
    Whether you are varmint hunting, target shooting or on duty protecting our country, Black Hills 5.56x45mm 50gr TSX Optimized Factory New Ammo is designed to provide you with optimum results. Black Hills is known through the shooting industry for combining the finest components available to build the best ammunition in the business. Ammunition is new production, made with reloadable boxer primed brass. Mfg: Black Hills Ammunition
  2. 5.56x45mm Nato 70gr Gmx Ammo - 5.56x45mm Nato 70gr Gmx 50/Box
    Item#:
    105-001-392  
    Our Price:
    $71.62
    Description:
    Whether you are varmint hunting, target shooting or on duty protecting our country, Black Hills 5.56x45mm 70gr GMX Factory New Ammo is designed to provide you with optimum results. Black Hills is known through the shooting industry for combining the finest components available to build the best ammunition in the business. Ammunition is new production, made with reloadable boxer primed brass. Mfg: Black Hills Ammunition
  3. 5.56x45mm Nato 69gr Tipped Matchking Ammo - 5.56x45mm Nato 69gr Tmk 500/Case
    Item#:
    105-001-391  
    Our Price:
    $549.38
    Description:
    Whether you are varmint hunting, target shooting or on duty protecting our country, Black Hills 5.56x45mm 69gr Tipped MatchKing Factory New Ammo is designed to provide you with optimum results. Black Hills is known through the shooting industry for combining the finest components available to build the best ammunition in the business. Ammunition is new production, made with reloadable boxer primed brass. Mfg: Black Hills Ammunition
  4. 5.56x45mm Nato 69gr Tipped Matchking Ammo - 5.56x45mm Nato 69gr Tmk 50/Box
    Item#:
    105-001-390  
    Our Price:
    $56.26
    Description:
    Whether you are varmint hunting, target shooting or on duty protecting our country, Black Hills 5.56x45mm 69gr Tipped MatchKing Factory New Ammo is designed to provide you with optimum results. Black Hills is known through the shooting industry for combining the finest components available to build the best ammunition in the business. Ammunition is new production, made with reloadable boxer primed brass. Mfg: Black Hills Ammunition
  5. 5.56x45mm Nato 50gr Tsx Optimised Ammo - 5.56x45mm Nato 50gr Tsx Optimized 500/Case
    Item#:
    105-001-389  
    Our Price:
    $699.38
    Description:
    Whether you are varmint hunting, target shooting or on duty protecting our country, Black Hills 5.56x45mm 50gr TSX Optimized Factory New Ammo is designed to provide you with optimum results. Black Hills is known through the shooting industry for combining the finest components available to build the best ammunition in the business. Ammunition is new production, made with reloadable boxer primed brass. Mfg: Black Hills Ammunition
  6. 45 Acp 135gr Honeybadger  Ammo - 45 Acp 135gr Honeybadger 20/Box
    Item#:
    105-001-386  
    Our Price:
    $27.62
    Description:
    Factory New 45 ACP 135gr HoneyBadger Pistol Ammunition. HoneyBadger is Black Hills new line of ammunition that does not have hollow point. HoneyBadger doesn't need hollow points and does not depend on them for performance. The copper projectile is near barrier blind and its optimized nose flutes; mixed with total weight and velocity, create devastating permanent wound cavities. Mfg: Black Hills Ammunition

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Price shopping for Ar 15 Upper Receiver? You'll find the best selection and prices everyday at Brownells.com. Here, you'll find 149 Ar 15 Upper Receiver and Ar 15 Left Hand Upper Receiver, the best available, at prices from $12.99 to $4,195.00. We carry the best gun parts and gunsmith tools around, and we're category experts. Here's how we've become the number one online retailer in the industry: great products, great prices, and unparalleled customer service. We're so convinced you'll be happy with all our Ar 15 Upper Receiver that we offer a 100% customer satisfaction guarantee. If you're not completely satisfied with your purchase let us know so we can make it right. When you find the Ar 15 Upper Receiver that are right for you, it's easy to place your order online or over the phone at 1-800-741-0015. Our knowledgeable staff is always here to help meet all your gun parts and gunsmith needs, so never hesitate to ask a question. By email, by phone, or by smoke signal - we're here to help you aim true.