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Ar 15 Upper

Best Sellers
  1. Ar-15 5.56 16" M4 Upper Kit - Ar-15 5.56 16" M4 Upper Kit With Bcg
    Item#:
    100-017-384  
    Our Price:
    $559.99
    Description:
    Bushmaster M4 Upper Receiver Kit, ready to complete your build.  Kit includes fully assembled upper receiver, bolt carrier group, handguards, charging handle and detachable carry handle.  Upper features a 16” M4 barrel which is machined from 4140 chrome moly steel, chrome lined, has a 1-9 twist, has a front sight base installed on a .750” barrel shoulder, ½-28 muzzle threads and an A2 flash hider installed.  Upper receiver has M4 feed ramps, as well as a detachable carry with rear sight.  Included complete bolt carrier group has a matte black phosphate finish, is chrome lined and is magnetic particle inspected. Mfg: Bushmaster Firearms Int.Llc. SPECS: Fits - AR-15 lower receivers.
  2. Ar-15 9mm Upper Receiver Assembly - A4 9mm Upper Receiver
    Item#:
    739-000-013  
    Our Price:
    $549.99
    Description:
    Easily Convert Your .223 AR Into A Fast-Shooting 9mm
  3. Ar-15 16" Upper Receivers - Ar-15/M16 16" 7.62x39 Flat-Top Upper
    Item#:
    795-000-004  
    Our Price:
    $588.90
    Description:
    This, the original 7.62x39 conversion for the AR15 is standard with a 16" 416 SS barrel (1x10" twist) with black oxide finish, and threaded 1/2x28. 100% complete with bolt carrier assembly and charging handle, this upper is headspaced, test fired and ready to drop on your assembled lower. No need to change the buffer, or recoil spring assemnbly. Just swap out the upper, use the appropriate magazine, supplied with the upper, and you're ready to use. Comes with one high capacity 7.62x39 magazine. Standard with 7075-T6 aluminum forged upper, Blak-Tac coated bolt carrier, A2 upper, and fiberite M4 handguards, unlined. As with all Olympic Arms products, this upper comes with a Li Mfg: Olympic Arms
  4. 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
  5. Ar-15 Stripped Ds4 Upper - Ar-15 16" Ds-4 Upper W/ Lpgb - No Barrel Nut
    Item#:
    100-017-657  
    Our Price:
    $269.99
    Description:
    Double Star Upper with 16” DS-4 Barrel, ready to be your next build’s foundation.  DS-4 barrel features a 1-9 twist, M4 feedramps and a matte black, phosphate finish.  Barrel is chambered in 5.56x45mm NATO, and does not have chrome lining. Flat top upper receiver is ready for the attachment of Picatinny accessories and barrel.  Carbine gas tube and barrel assembly are ready for your choice of handguard and muzzle device. Low profile gas block installs onto the barrels .750” OD gas shoulder. Mfg: Double Star
  6. Ar-15 16" Upper Receivers - Ar-15/M16 16" 7.62x39 A2 Carry Handle Upper
    Item#:
    795-000-003  
    Our Price:
    $588.90
    Description:
    This, the original 7.62x39 conversion for the AR15 is standard with a 16" 416 SS barrel (1x10" twist) with black oxide finish, and threaded 1/2x28. 100% complete with bolt carrier assembly and charging handle, this upper is headspaced, test fired and ready to drop on your assembled lower. No need to change the buffer, or recoil spring assemnbly. Just swap out the upper, use the appropriate magazine, supplied with the upper, and you're ready to use. Comes with one high capacity 7.62x39 magazine. Standard with 7075-T6 aluminum forged upper, Blak-Tac coated bolt carrier, A2 upper, and fiberite M4 handguards, unlined. As with all Olympic Arms products, this upper comes with a Li Mfg: Olympic Arms

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Ar 15 Left Hand Upper Receiver

Related Items
  1. Ar-15/M16 Left Hand Upper Receivers - Ar-15/M16 16" Rxa15 Ss M4 Mod Upper Receiver Left Hand
    Item#:
    100-015-254  
    Our Price:
    $330.00
    Description:
    Left Hand Upper Receiver assemblies complete with barrel, gas block and handguard installed. These receiver require the use of a left hand bolt carrier group, also available from Red X Arms. These upper receivers feature 416R stainless steel barrels  and are chambered in 5.56mm. Barrel extensions and upper receiver include M4 feedramps. Upper receiver is forged 7075-T6 aluminum and has T-Marks. M4 model features stainless steel A2 flash hiders, 1/2-28 threads, modular handguard compatible with Magpul rails and .750" gas blocks. All upper receivers do not include a charging handle or bolt carrier group. All NFA Rules apply. Use Magpul MLOK rails. Mfg: Red X Arms
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Ammunition
  1. Tap Ammunition - Hornady Tap Fpd 308 Win 155 Gr 20/Box
    Item#:
    749-009-487  
    Our Price:
    $33.79
    Description:
    Accurate, Deadly Dependable ammunition is required to protect the safety and security of your family. TAP FPD ammunition features top-performing Hornady bullets that are trusted to deliver the terminal performance required by law enforcement and the military. Nickel-plated cases eliminate the potential for corrosion, and improve feeding in all firearms. Special propellants are used to reduce muzzle flash that save your night vision during nighttime engagements. Primers are chosen to match each powder and load, and to quickly and reliably ignite the powder charge.RifleAccurate and consistent, TAP FPD rifle ammunition offers enhanced terminal performance, rapid expansion and fragmentatio Mfg: Hornady
  2. Fmj Ammunition - Fmj Ammo 6.5x55mm Swede 100gr 20/Box
    Item#:
    749-015-397  
    Our Price:
    $33.99
    Description:
    Lapua ammunition is known by shooters all over the world. They are please to partner with the world’s top shooters, and to be an example copied by other manufacturers. Lapua’s extremely accurate target shooting cartridges are loaded with the best target bullets. Numerous world championships, Olympic championships and other top competition gold medals, as well as many official world records in different disciplines are shot with the Lapua cartridges. Whether you require bullets for training, competitions, or serious hunting situations you can really trust the performance of Lapua's FMJ bullet family. Reliability means that every shot you fire will hit the target. Mfg: Lapua
  3. Fmj Ammunition - Fmj Ammo 7.62x39mm 123gr 30/Box
    Item#:
    749-015-406  
    Our Price:
    $41.29
    Description:
    Lapua ammunition is known by shooters all over the world. They are please to partner with the world’s top shooters, and to be an example copied by other manufacturers. Lapua’s extremely accurate target shooting cartridges are loaded with the best target bullets. Numerous world championships, Olympic championships and other top competition gold medals, as well as many official world records in different disciplines are shot with the Lapua cartridges. Whether you require bullets for training, competitions, or serious hunting situations you can really trust the performance of Lapua's FMJ bullet family. Reliability means that every shot you fire will hit the target. Mfg: Lapua
  4. Tac Rifle Ammo - Tac Ammo .308 Win 150gr Fmj 20/Box
    Item#:
    105-000-547  
    Our Price:
    $21.99
    Description:
    Loaded with FMJ boat tails, Norma TAC-223 & TAC-308 offers accurate, flat shooting trajectory with the quality and precision Norma is known for. Mfg: Norma
  5. Match Rifle Ammo - Match Ammo .308 Win 168gr Matchking Hpbt 20/Box
    Item#:
    105-000-508  
    Our Price:
    $23.99
    List Price: $29.99
    Description:
    Loaded with Sierra MatchKing HPBT's, Norma MATCH-223 & MATCH-308 offers accurate, flat shooting trajectory with the quality and precision Norma is known for. Mfg: Norma
  6. Match Rifle Ammo - Match Ammo .308 Win 168gr Matchking Hpbt 200/Case
    Item#:
    105-000-509  
    Our Price:
    $239.99
    List Price: $279.99
    Description:
    Loaded with Sierra MatchKing HPBT's, Norma MATCH-223 & MATCH-308 offers accurate, flat shooting trajectory with the quality and precision Norma is known for. Mfg: Norma

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Price shopping for Ar 15 Upper? Look no further than Brownells.com for the best prices and selection. Here you'll find 86 Ar 15 Upper and Ar 15 Left Hand Upper Receiver, the best selection online, ranging in price from $2.99 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're so confident in our selection of Ar 15 Upper, we make you a promise. Our 100% satisfaction guarantee means if you're not completely happy with your purchase, we'll do everything we can to make it right. So check out our complete selection of Ar 15 Upper and place your order online or by calling us toll free at 1-800-741-0015. Customer service associates are standing by to answer your questions about our gun parts and gunsmith tools. We're here to help!