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Ar Upper Kit

Best Sellers
  1. 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
  2. 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
  3. 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
  4. A4 9mm 10.5" Upper Receiver - 9mm 10.5 Inch A4 Upper Receiver
    Item#:
    739-000-022  
    Our Price:
    $630.00
    Description:
  5. Sr-15 E3 Mod 2 Upper Receivers M-Lok - Ar-15 Upper Receiver Carbine Mod 2 14.5" Urx 4 M-Lok
    Item#:
    100-023-387  
    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
  6. 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

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Ammunition
  1. 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
  2. Solid Defense Ammo 223 Remington 70gr Tsx - 223 Remington 70gr Triple Shock-X 50/Box
    Item#:
    749-012-352  
    Our Price:
    $65.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  3. Tactical Match Grade Ammo 223 Remington 68gr Otm Bthp - 223 Remington 68gr Otm W/Cannelure 50/Box
    Item#:
    749-012-351  
    Our Price:
    $40.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  4. Tactical Match Grade Ammo 308 Winchester 168gr Sierra Matchking - 308 Winchester 168gr Otm Sierra Ma
    Item#:
    749-012-354  
    Our Price:
    $39.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  5. Rifle Ammo Boxes - Ammo Boxes Rifle Green 22 Benchrest Rem-6mm Rem Benchrest 25
    Item#:
    749-006-478  
    Our Price:
    $65.99
    Description:
    RIFLE AMMO BOXES Mfg: Sinclair International
  6. Pistol Ammo Cans - 40 S&W 180gr Fmj 400/Can
    Item#:
    105-000-707  
    Our Price:
    $169.99
    Description:
    The Aguila Advantage will hit dead center. A wide variety of calibers from the standard to the unique, Aguila offers high-quality rounds that cycle flawlessly with remarkable consistency in both velocity and accuracy. The use of Non-Corr Priming means reliable ignition in any weather condition. Now combined with the easy to store MTM ammo can. Keeps your ammo stored fresher, longer. Or makes it easier to carry to the range. Mfg: Aguila

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Hunting down Ar Upper Kit? You'll find the best selection and prices everyday at Brownells.com. Here, you'll find 175 Ar Upper Kit and Ar Upper Parts Kit, the best available, at prices from $2.99 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 know you'll be happy with your purchase of Ar Upper Kit 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. It's easy to browse our complete selection of Ar Upper Kit. When you find what you're looking for, place an order online or call us at 1-800-741-0015. Brownells.com is dedicated to helping you find the gun parts and gunsmith tools you need, so don't hesitate to drop us a line if you have any questions.