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Ar15 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. 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 Abbreviated shell deflector and provision for ejection port cover 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
  3. 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.
  4. 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
  5. 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
  6. 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

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Ar15 22 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. 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
  3. A4 9mm 10.5" Upper Receiver - 9mm 10.5 Inch A4 Upper Receiver
    Item#:
    739-000-022  
    Our Price:
    $630.00
    Description:
  4. 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.
  5. 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.
  6. Ar-15/M16 Assembled Upper Receiver - Ar-15/M16 Assembled Upper Receiver, Fde Cerakote
    Item#:
    100-018-687  
    Our Price:
    $114.99
    Description:
    The AR-15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Black model features laser engraved T marks. Cerakote FDE model does not have T marks. Features: M4 Feedramps .250 takedown pin holes Includes port door and forward assist Mfg: Aero Precision SPECS: Weighs: 8.35oz, 7075-t6 forged aluminum.

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Ammunition
  1. Lake City Ammo 5.56x45mm Nato 62gr Xm855 With Brownells Mags - 5.56x45mm Nato 62gr Fmj 420 Can & 10
    Item#:
    100-008-522  
    Our Price:
    $289.99
    List Price: $339.99
    Description:
    Lake City XM855 ammunition is some of our most popular ammo. All 420 rounds are loaded onto 10 round stripper clips which make loading the included 10 magazines quick and easy. Ammunition is Brass cased, boxer primed, and non-corrosive. Mfg: Brownells
  2. American Eagle Ammo 5.56x45mm Nato 55gr Xm193 With Brownells Mags - 3 Ar-15/M16 Mags W/200 Rounds Ae
    Item#:
    100-007-777  
    Our Price:
    $115.99
    Description:
    Three of our top selling AR-15/M16 30 round magazines coupled with 200 rounds of American Eagle 5.56mm FMJ ammunition. These AR-15 magazines feature a chrome silicon spring coated with a dry-lube, high lubricity coating that resists corrosion and are less prone to taking a "set". American Eagle ammunition is an economical, American made, reliable practice ammunition. This kit gives you almost everything you need to hit the range. All you need is your favorite AR-15. Mfg: Brownells
  3. Ar-15 Tactical Magazine Can - Tactical Magazine Can Ar Polymer Tan
    Item#:
    100-574-004  
    Our Price:
    $21.99
    Description:
    Always ready for quick transport, Tactical Mag Cans offer a protected method of storage for loaded magazines. Each mag is individually secured with ridged precut foam padding to prevent bumping, sliding and scratching. Box shuts tight with an O-ring seal and solid latching system. Security tabbed for two padlocks. Molded-in stacking ridges for slip resistant stacking. Comfortable handle for when you’re bugging out. Designed to hold 20 or 30 round 223/5.56 AR15 magazines in precut foam padding Stackable design and triple padlock tabbed for security Water-resistant O-ring seal for dry storage; Non-submersible Capacity: 15 Mfg: Mtm
  4. Xm193 450 Rounds W/10 30rnd Ar-15 Mags - Xm193 5.56mm 55gr 450/Case W/10 30rnd Ar15 Mags
    Item#:
    105-000-603  
    Our Price:
    $339.99
    Description:
    Top-quality, new-manufactured mil-spec 5.56x45mm NATO XM193 FMJ ammo ideal for training & practice. This ammunition was produced at Lake City Army Ammunition Plant to Federal Cartridge Company specs for commercial ammunition. Ammunition is loaded onto 10 round stripper clips to make magazine loading easy. Bundled with 10 Brownells AR-15-M16 30 round magazines featuring a Chrome Silicon Spring. Mfg: American Eagle
  5. Lake City Ammo 5.56x45mm Nato 55gr Xm193 With Brownells Mags - 5.56x45mm Nato 55gr Fmj 420 Can & 10
    Item#:
    105-000-600  
    Our Price:
    $329.99
    Description:
    Top-quality, new-manufactured mil-spec 5.56x45mm NATO XM193 FMJ ammo ideal for training & practice. This ammunition was produced at Lake City Army Ammunition Plant to Federal Cartridge Company specs for commercial ammunition. 55 grain FMJ boattail bullet – the exact load developed for the original M16 rifle. Headstamped with Federal logo and date of manufacture, reloadable brass cases with crimped in boxer primers. Lacquer-sealed primer and case mouth to resist moisture. Mfg: Federal
  6. Superformance Ammo 7mm-08 Remington 139gr Gmx - 7mm-08 Remington 139gr Gmx 20/Box
    Item#:
    749-101-472  
    Our Price:
    $35.79
    Description:
    Hornady has made a monumental breakthrough with its Superformance Ammunition increasing bullet velocity by an average of 100 to 200 fps for any caliber, bullet weight, or bullet type using progressive propellants. Superformance Ammunition can be used in any rifle without increasing felt recoil, muzzle blast, temperature sensitivity, fouling or loss of accuracy. Simply put, Superformance Ammunition is highly accurate, deadly, dependable, and just raised the bar by which all other ammunition will be judged. Previously, in order to attain high-velocity loads, shooters had to use the large charge weights and a slow-burning powder found in light magnum or custom loads, which typically result i Mfg: Hornady

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Hunting down Ar15 Upper Receiver? Brownells.com has the best selection and pricing around. Our assortment of 141 Ar15 Upper Receiver and Ar15 22 Upper Receiver represents the top choices online, ranging in price from $12.99 to $4,195.00. As the internet's top seller of gun parts and gunsmith tools, we're able to bring you the best products, excellent prices, and reliable customer service every day. We know you'll be happy with your purchase of Ar15 Upper Receiver from Brownells.com. We stand behind every product we sell, and we're proud to prove it with our 100% satisfaction guarantee - if you're not completely happy with your purchase, let us know right away. So, browse our wide selection of Ar15 Upper Receiver - we know you'll find what you're looking for. When you're ready to place an order, use our easy checkout or give us a call. We're passionate about meeting all your needs for gun parts and gunsmith tools, and we're confident you'll find what you need here. If you have any questions, don't hesitate to give us a call!