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Ar 15 .308 Upper

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. 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
  3. 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
  4. 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
  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. 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

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ar 15 .308 upper & Accessories

Related Items
  1. Ar-15/M16 Upper Small Parts Kit - Ar15/M16 Upper Pins & Springs Kit
    Item#:
    100-014-543  
    Our Price:
    $14.99
    Description:
    Kits contain commonly-replaced AR-15 parts so you can have replacements on hand for refurbishing and repairing your rifle. Kits come with various mixtures of parts. All kits are sold separately. Mfg: Cmmg SPECS: Fits AR-15 and M16 rifles.
  2. Billet Ar-15 Upper Receiver - Ar-15 Billet Upper Receiver
    Item#:
    100-022-554  
    Our Price:
    $59.99
    List Price: $69.99
    Description:
    Stripped Receiver 6061 Aluminum Type III Class II Hard Coat Anodized Features M4-type feed ramps Flattop 1913 Picatinny rail Abbreviated shell deflector and provision for ejection port cover Integral Shell Deflector Designed to accept Mil-Spec parts Tighter Tolerances than forged receivers Matte black finish Made in the USA Mfg: Noreen Firearms, Llc
  3. Ar-15 Flattop Upper Receiver - Stripped Flattop Upper Receiver
    Item#:
    274-000-019  
    Our Price:
    $60.99
    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 16" Upper Assembly 5.56 M4 Hybrid Rail No Bcg Or Ch - 16" Upper Assembly 5.56 M4 Hyb
    Item#:
    100-023-347  
    Our Price:
    $274.99
    List Price: $291.87
    Description:
    Radical Firearms’ 16" M4 Upper Receiver is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any Mil-Spec AR-15 lower receiver. This fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter. The Radical Firearms 16" M4 Upper Receiver comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 16" M4 Profile Barrel and A2 Flash Hider. 16" M4 Melonite Barrel 4150V Chrome Moly 1 in 7" twist rate 5.56 NATO Chamber M4 Feed ramps 12" Radical Firearms Hybrid Keymod Handguard: Features Reverse Keymod sections so your a Mfg: Radical Firearms

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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:
    $289.99
    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. American Eagle Ammo 5.56x45mm Nato 55gr Xm193 With Brownells Mags - 3 Ar-15/M16 Mags W/200 Rounds Ae
    Item#:
    100-007-777  
    Our Price:
    $115.99
    Description:
    Three of our top selling AR-15/M16 30 round magazines coupled with 200 rounds of American Eagle 5.56mm FMJ ammunition. These AR-15 magazines feature a chrome silicon spring coated with a dry-lube, high lubricity coating that resists corrosion and are less prone to taking a "set". American Eagle ammunition is an economical, American made, reliable practice ammunition. This kit gives you almost everything you need to hit the range. All you need is your favorite AR-15. Mfg: Brownells
  3. 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
  4. Xm193 450 Rounds W/10 30rnd Ar-15 Mags - Xm193 5.56mm 55gr 450/Case W/10 30rnd Ar15 Mags
    Item#:
    105-000-603  
    Our Price:
    $339.99
    Description:
    Top-quality, new-manufactured mil-spec 5.56x45mm 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. Ammunition is loaded onto 10 round stripper clips to make magazine loading easy. Bundled with 10 Brownells AR-15-M16 30 round magazines featuring a Chrome Silicon Spring. Mfg: American Eagle
  5. Lake City Ammo 5.56x45mm Nato 55gr Xm193 With Brownells Mags - 5.56x45mm Nato 55gr Fmj 420 Can & 10
    Item#:
    105-000-600  
    Our Price:
    $329.99
    Description:
    Top-quality, new-manufactured mil-spec 5.56x45mm 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, reloadable brass cases with crimped in boxer primers. Lacquer-sealed primer and case mouth to resist moisture. Mfg: Federal
  6. 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

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Hunting down Ar 15 .308 Upper? Brownells.com carries the best selection at the lowest prices around. With 144 Ar 15 .308 Upper and Ar 15 .308 Upper & Accessories in stock ranging in price from $2.99 to $4,195.00, you'll find all the best choices available. 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 stand behind every item we sell, because we work with guns, too. We're happy to offer a 100% satisfaction guarantee - if you're not completely satisfied with your purchase, we'll make it right. So check out our complete selection of Ar 15 .308 Upper and place your order online or by calling us toll free at 1-800-741-0015. We've worked hard to provide all the products and information you'll need for your hobby. If you have any questions about products, services, or just like to talk guns - give us a call!