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Ar 15 Upper

Best Sellers
  1. Ar-15/M16 Upper Receivers - 16" Ar Upper 5.56
    Item#:
    276-000-043  
    Our Price:
    $1,080.00
    Description:
  2. Ar-15/M16 Upper Receivers - 12.5" Ar Upper 300 Blk
    Item#:
    276-000-021  
    Our Price:
    $1,080.00
    Description:
  3. Ar-15/M16 Upper Receivers - 16" Ar Upper 300 Blk
    Item#:
    276-000-011  
    Our Price:
    $1,080.00
    Description:
  4. Ar-15/M16 Upper Receivers - 9" Ar Upper 300 Blk
    Item#:
    276-000-012  
    Our Price:
    $1,080.00
    Description:
  5. Ar-15 Upper Receiver Assemblies - Ar15 20" Tactical Precision Upper Assembly 1-9
    Item#:
    231-000-345  
    Our Price:
    $699.00
    Description:
    Easy-To-Swap, Complete, Fully Assembled Top Ends; Carry Handle & Flattop Models; Lots Of Options
  6. Ar-15 Upper Receiver Assemblies - Upper Receiver W/5.56 Cal, Ft, 16" Ap4 Barrel, Parkerized
    Item#:
    231-000-256  
    Our Price:
    $519.99
    Description:
    Easy-To-Swap, Complete, Fully Assembled Top Ends; Carry Handle & Flattop Models; Lots Of Options

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Ar 15 Left Hand Upper Receiver

Related Items
  1. Ar-15/M16 Left Hand Upper Receivers - Ar-15/M16 7.5" Rxa15 Ss Mod Upper Receiver Left Hand
    Item#:
    100-015-250  
    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, with either a 1-9 twist or 1-8 twist in the 20" and 24" bull 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 and 7.5" models feature stainless steel A2 flash hiders, 1/2-28 threads, modular handguard compatible with Magpul rails and .750" gas blocks. Bull barrel models feature either Mfg: Red X Arms
  2. 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, with either a 1-9 twist or 1-8 twist in the 20" and 24" bull 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 and 7.5" models feature stainless steel A2 flash hiders, 1/2-28 threads, modular handguard compatible with Magpul rails and .750" gas blocks. Bull barrel models feature either Mfg: Red X Arms
  3. Ar-15/M16 Left Hand Upper Receivers - Ar-15/M16 16" Rxa15 Bull Upper Receiver Left Hand
    Item#:
    100-015-251  
    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, with either a 1-9 twist or 1-8 twist in the 20" and 24" bull 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 and 7.5" models feature stainless steel A2 flash hiders, 1/2-28 threads, modular handguard compatible with Magpul rails and .750" gas blocks. Bull barrel models feature either Mfg: Red X Arms
  4. Ar-15/M16 Left Hand Upper Receivers - Ar-15/M16 20" Rxa15 Ss Bull Upper Receiver Left Hand
    Item#:
    100-015-252  
    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, with either a 1-9 twist or 1-8 twist in the 20" and 24" bull 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 and 7.5" models feature stainless steel A2 flash hiders, 1/2-28 threads, modular handguard compatible with Magpul rails and .750" gas blocks. Bull barrel models feature either Mfg: Red X Arms
  5. Ar-15/M16 Left Hand Upper Receivers - Ar-15/M16 24" Rxa15 Ss Bull Upper Receiver Left Hand
    Item#:
    100-015-253  
    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, with either a 1-9 twist or 1-8 twist in the 20" and 24" bull 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 and 7.5" models feature stainless steel A2 flash hiders, 1/2-28 threads, modular handguard compatible with Magpul rails and .750" gas blocks. Bull barrel models feature either Mfg: Red X Arms
  6. Ar15 Left Hand Upper Assembly - Ar15 Left Hand Upper Receiver Assembly
    Item#:
    100-015-255  
    Our Price:
    $129.99
    Description:
    Left Hand A3-style upper receiver is ready for a left hand bolt carrier group and standard barrels & handguards. Upper receiver is custom machined for the left handed shooter, featuring a left hand ejection port and forward assist.  Picatinny accessory rail slots have crisply engraved silver T-markings. M4-type feed cuts help ensure reliable round feeds even on carbines with shorter gas tubes. Hardcoat anodized inside and out to resist abrasion and wear, add strength, and protect against corrosion. Includes forward assist and ejection port cover assemblies. Mfg: Red X Arms

Ammunition
  1. Handgun Ammunition - Ultramax 9mm Luger 115gr Jhp 50/Box
    Item#:
    105-530-304  
    Our Price:
    $20.49
    Description:
    Accuracy, round after round and at an unequaled value. Ultramax ammunition represents serious quality for serious shooters. Since their introduction in 1986, Ultramax uses a 10-Step Quality Assurance System to provide top of the line ammunition to hunters and shooters. This system includes loading ammunition to SAAMI specs and a visual inspection of the loaded cartridge before it leaves the building. Remanufactured ammunition also goes through the 10-Step QA System. Once fired brass is inspected for flaws and is washed to clear the primer pockets and flash holes from any debris. Ultramax also sizes each piece of price to the same SAAMI specs as new brass. Remanufactured ammunition is Mfg: Ultramax
  2. First Defense Handgun Ammunition - First Defense .45 Acp 165gr Schp 20 Rnds/Box
    Item#:
    105-053-245  
    Our Price:
    $29.99
    Description:
    FIRST DEFENSE HANDGUN AMMUNITION Mfg: Magtech Ammunition
  3. Clean Range Ammo - Clean Range 9mm 115gr Feb 50 Rnds/Box
    Item#:
    105-053-236  
    Our Price:
    $22.99
    Description:
    CLEAN RANGE AMMO Mfg: Magtech Ammunition
  4. First Defense Handgun Ammunition - First Defense .40 S&W 130gr Schp 20 Rnds/Box
    Item#:
    105-053-244  
    Our Price:
    $29.99
    Description:
    FIRST DEFENSE HANDGUN AMMUNITION Mfg: Magtech Ammunition
  5. Clean Range Ammo - Clean Range .40 S&W 180 Gr Feb 50 Rnds/Box
    Item#:
    105-053-234  
    Our Price:
    $25.99
    Description:
    CLEAN RANGE AMMO Mfg: Magtech Ammunition
  6. Guardian Gold Handgun Ammo - Guardian Gold .45 Gap 1230gr Jhp 20 Rnds/Box
    Item#:
    105-053-254  
    Our Price:
    $18.99
    Description:
    GUARDIAN GOLD HANDGUN AMMO Mfg: Magtech Ammunition

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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 185 Ar 15 Upper and Ar 15 Left Hand Upper Receiver, the best selection online, ranging in price from $2.99 to $1,399.95. 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!