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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. Ar-15/M16 Megalithic Upper Receiver - Ar15 Megalithic Upper Receiver
    Item#:
    100-015-583  
    Our Price:
    $636.00
    Description:
  3. Ar-15 Flattop Upper Receiver - Stripped Flattop Upper Receiver
    Item#:
    274-000-019  
    Our Price:
    $89.99
    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. A4 9mm 10.5" Upper Receiver - 9mm 10.5 Inch A4 Upper Receiver
    Item#:
    739-000-022  
    Our Price:
    $599.99
    List Price: $630.00
    Description:
  2. 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.
  3. Ar-15 Vis-3 Rifle Length Upper Receiver - Vis-3 Rifle Upper
    Item#:
    100-004-948  
    Our Price:
    $544.95
    Description:
    Rock Solid Integrated Receiver & Railed Handguard Ensures Alignment Of Rails
  4. Ar-15/M16 Modular Upper Receiver - Mur Upper Shell Deflector Only
    Item#:
    100-011-160  
    Our Price:
    $174.99
    Description:
    Extra Metal For Superb Strength & Rigidity; Mil-Spec Dimensions For Compatibility
  5. Ar-15/M16 M4 Upper Receiver
    Item#:
    100-006-994  
    Our Price:
    $549.99
    Description:
  6. Ar-15 Upper Receiver Assembly 300blk No Bcg
    Item#:
    100-023-487  
    Our Price:
    $229.00
    Description:
    The Anderson Manufacturing 300 Blackout Complete Upper Receiver is a great way to quickly and conveniently build out, or change an existing AR-15 to shoot the popular 300 Blackout round. The 16” barrel has a 1-7  twist rate and a Phosphate Finish. The barrel utilizes a carbine length gas system with a .125 gas port, and has 5/8-24 threads with a 308 A2 Flash Hider. 16” M4 barrel 1-7 Rate of Twist 7075 T6 Forged Upper Receiver A2 Hand Guard A2 Flash Hider The Anderson Manufacturing 300 Blackout Complete Upper Receiver comes without a bolt carrier group or charging handle, allowing you to select your choice of components to complet Mfg: Anderson Manufacturing

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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:
    $299.99
    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. 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
  3. Superformance Ammo 243 Winchester 80gr Gmx - Horndy Ammo 243 80gr. Gmx
    Item#:
    105-201-201  
    Our Price:
    $34.99
    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
  4. American Eagle Ammo 5.56x45mm Nato 55gr Xm193 - 5.56x45mm Nato 55gr Full Metal Jacket 20/Box
    Item#:
    105-200-942  
    Our Price:
    $8.99
    Description:
    Top-quality, new-manufactured mil-spec 5.56 x 45mm 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, reloadeable brass cases with crimped in boxer primers. Lacquer-sealed primer and case mouth to resist moisture. For use only in rifles with chambers designed for 5.56mm x 45 ammunition. Mfg: Federal
  5. Precision Match Ammo 223 Remington 69gr Hpbt - 223 Remington 69gr Hollow Point Boat Tail 20/Box
    Item#:
    105-000-308  
    Our Price:
    $29.99
    Description:
    World champion shooters like Glenn Dubis and Kelly Bachand understand consistency is accuracy. Eagle Eye Precision ammunition offers unsurpassed accuracy and consistency when it matters most. Eagle Eye Precision guarantees every lot is factory tested to 1/2 minute of angle or better. Eagle Eye Precision cases are manufactured from the highest quality CuZn28 brass discs (not third party cups) with the lowest levels of impurities (ie. tin, bismuth etc). In addition to unsurpassed metallurgy, Eagle Eye Precision uses a proprietary heat treating process above and beyond standard neck annealing to produce a case that can be reloaded 10+ times. Eagle Eye Precision use the highest quality m Mfg: Eagle Eye Precision Ammunition
  6. Bronze Ammo 50 Bmg 660gr Fmj - 50 Bmg 660gr Full Metal Jacket 10/Box
    Item#:
    105-000-352  
    Our Price:
    $43.99
    Description:
    Reliable performance from serious competition to casual paper punching. PMC’s popular Bronze Line ammunition makes it possible for recreational shooters and riflemen to enjoy high performance velocity and accuracy in a cost-effective cartridge. Bronze ammunition is available in Full Metal Jacket (FMJ) bullets in .223 Remington, .308 Winchester, 7.62x39mm and .50 BMG. Take advantage of PMC Bronze Line’s affordability for any situation that involves high-volume shooting without compromising downrange results. Bronze Line ammo bridges a gap for target shooters or hunters who get genuine pleasure from challenging themselves, shot after shot, to become better marksmen. Mfg: Pmc Ammunition, Inc.

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Hunting down Ar15 Upper Receiver? Brownells.com has the best selection and pricing around. Our assortment of 127 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!