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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 16" 9mm Upper Receiver - Ar-15/M16 16" 9mm Flat-Top Upper
    Item#:
    795-000-005  
    Our Price:
    $721.50
    Description:
    The ORIGINAL 9mm AR15 conversion assembly. The K9URFT is a complete upper AR15 style receiver assembly chambered in the wildly popular and affordable 9mm pistol cartridge. This upper is 100% complete and ready for installation on any standard mil-spec AR15 lower. Installation is as easy as swapping out the upper receiver unit, and changing the magazine. No mag-well blocks, no need to change the hammer, trigger, or recoil assembly. All the necessary modifications to convert to 9mm are contained in the upper receiver and the magazine. Simply drop this upper on your lower, swap to the appropriate 9mm magazine (one provided with each upper), and you are ready to shoot. Swap back and forth bet Mfg: Olympic Arms
  3. Ar-15/M16 Megalithic Upper Receiver - Ar15 Megalithic Upper Receiver
    Item#:
    100-015-583  
    Our Price:
    $636.00
    Description:
  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. 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:
  6. A4 9mm Upper Receiver
    Item#:
    739-000-013  
    Our Price:
    $559.99
    Description:

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Ar 15 Left Hand Upper Receiver

Related Items
  1. Ar-15/M16 Modular Upper Receiver - Mur Upper Receiver
    Item#:
    100-004-042  
    Our Price:
    $199.99
    Description:
    Extra Metal For Superb Strength & Rigidity; Mil-Spec Dimensions For Compatibility
  2. Ar-15 14.5" Complete Upper Receiver - Complete Upper Receiver 14.5"
    Item#:
    160-000-392  
    Our Price:
    $679.99
    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. The LE6921CK is based off the combat proven M4 upper receiver and features 1/7 RH twist in a 14.5” barrel in the LE6921CK. Includes a charging handle, bolt carrier group, and back up sights. All NFA rules apply. Mfg: Colt
  3. Ar-15 Upper Receiver Die - Ar-15 Upper Receiver Die 1 1/4-18"
    Item#:
    100-016-682  
    Our Price:
    $42.99
    Description:
    The innovative two-piece split rethreading die repairs damaged threads by repairing them from the top down, or bottom up.  Made for the 1 1/4-18 thread on the AR-15 upper receiver.  Eliminates cross threading. Mfg: Jme Innovations
  4. Ar-15 A2 Upper Receiver Kit - Upper Receiver Kit
    Item#:
    430-000-520  
    Our Price:
    $109.99
    Description:
    High-quality, mil-spec parts from a respected name in precision firearms for more than 75 years, now a premier maker of complete AR-15 rifles. Replace worn or damaged parts to return a service rifle to factory specs or use in building a precision custom rifle that meets your exact requirements. Complete, prepackaged kits include all the parts you need for specific subassemblies. Saves time and money—no need to hunt down each item individually. Includes A2 rear sight kit, forward assist assembly, and ejection port cover. Mfg: High Standard SPECS: Steel, parkerized, dark gray finish; aluminum, hardcoat anodized, matte black finish; or spring steel.
  5. Ar-15/M16 Upper Receiver Assembly - Ar-15 16" Ds-4 Upper W/ Fsb - No Bbl Nut Or Delta Ring
    Item#:
    100-017-656  
    Our Price:
    $249.99
    List Price: $279.99
    Description:
    From Double Star is the M4 16” carbine upper assembly. Included with the assembly is a T-marked Flattop upper receiver assembled with M4 feed ramps, forward assist, and ejection port cover. The M4 profile barrel includes a front sight base assembly. It also includes a gas tube and the required roll pin. Barrel Nut not included to allow for your choice of handguard. Mfg: Double Star
  6. Ar-15/M16 458 Socom Billet Upper Receiver - Ar-15/M16 Billet Upper Receiver, .458 Socom
    Item#:
    100-015-679  
    Our Price:
    $115.99
    Description:
    Stripped billet upper drops onto standard lower and features expanded ejection port that accommodates .458 SOCOM and other big-bore AR-15 calibers. Integral Picatinny rail provides mounting space, and slick-side design does not require forward assist or ejection port cover, simplifying the build. Has M4 feed ramps, and accepts standard bolt carrier, charging handle and barrel nut, sold separately. Mfg: Cross Machine Tool Co., Inc. SPECS: T6 7075 billet aluminum, hardcoat anodized, matte black finish.

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Ammunition
  1. American Ph Ammo 6.5mm Creedmoor 130gr Scirocco Ii - 6.5mm Creedmoor 130gr Bonded Boat Tail 20/Box
    Item#:
    105-000-578  
    Our Price:
    $41.99
    Description:
    Norma Precision, that defines the quality of components and loading selected for Norma´s American PH lineup. Production starts with the  highest quality brass cases available in the industry, combines that with Norma powder and bullets specifically selected for North American big game. Scirocco® II, with the Signature Black Tip™, is a superbly accurate hunting bullet designed for long-range efficiency. It carries velocity and energy better than any of its competitors. Its sleek design and high ballistic coefficient produces the flattest trajectory in downrange hunting, making it a perfect match for long-range cartridges. Mfg: Norma
  2. Fusion Ammo 6.5mm Creedmoor 140gr Sp - 6.5mm Creedmoor 140gr Soft Point 20/Box
    Item#:
    105-000-584  
    Our Price:
    $26.99
    Description:
    Fusion was the first rifle ammunition specifically built for deer hunting—and it's still the best, offering the largest expansion and highest weight retention in its class. It's a perfect match for the 6.5 Creedmoor cartridge, which has quickly become the choice of deer hunters who appreciate its long-range accuracy, flat trajectory, mild recoil and tag-punching power. Paired with the Fusion bullet's molecularly-fused jacket and pressure-formed core, the new load provides deep penetration and stopping power. Mfg: Federal
  3. Superformance Match Ammo 338 Lapua Magnum 285gr A-Max - 338 Lapua Magnum 285gr A-Max 20/Box
    Item#:
    749-015-760  
    Our Price:
    $89.99
    Description:
    Superformance™ match ammunition pushes the envelope to deliver a walloping 100 to 200 fps increase in velocity for phenomenal accuracy, increased range and reduced wind drift. Superformance Match ammunition combines the very best cartridge cases with extremely stable propellants, custom blended for each load and then tops it off with Boattail Hollow Point Match bullets. Highpower competitors, as well as law enforcement and military shooters and snipers will all benefit from the Superformance Match advantage. Mfg: Hornady
  4. Superformance Match Ammo 5.56x45mm Nato 75gr Hpbt - 5.56x45mm Nato 75gr Hollow Point Boat Tail 20/Bo
    Item#:
    105-201-254  
    Our Price:
    $21.99
    Description:
    Superformance™ match ammunition pushes the envelope to deliver a walloping 100 to 200 fps increase in velocity for phenomenal accuracy, increased range and reduced wind drift. Superformance Match ammunition combines the very best cartridge cases with extremely stable propellants, custom blended for each load and then tops it off with Boattail Hollow Point Match bullets. Highpower competitors, as well as law enforcement and military shooters and snipers will all benefit from the Superformance Match advantage. Mfg: Hornady
  5. High Performance Rifle Ammo 7mm-08 Remington 120gr Hp - 7mm-08 Remington 120gr Hollow Point 20/Box
    Item#:
    105-202-124  
    Our Price:
    $32.99
    Description:
    Premium Ultra Mag For Serious Hunters There’s probably been more big game shot with Remington Core-Lokts than any other ammunition. For more than six decades, it has remained the leader in centerfire hunting ammunition. One of the first controlled-expansion bullet designs, it’s still one of the most effective ever developed. Its progressively tapered copper jacket is locked to a solid lead core for perfectly controlled expansion and high weight retention. Mfg: Remington
  6. Trophy Grade Ammo 30-06 Springfield 165gr Accubond - 30-06 Springfield 165gr Accubond 20/Box
    Item#:
    105-201-590  
    Our Price:
    $38.99
    Description:
    20 per box AccuBond bullet type NoslerCustom Brass The Nosler Ammo is part of a family of high-grade bullets by Nosler. Manufactured to the highest standards, this ammunition is built for optimum performance. These rounds feature high performance powder, NoslerCustom Brass and AccuBond tips. Mfg: Nosler, Inc.

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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 102 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.