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Ar 15 .308 Upper

Best Sellers
  1. Ar-15 5.56 11.5" M4 A2 Upper Kit - Ar-15 5.56 11.5" M4 A2 Upper Kit With Bcg
    Item#:
    100-017-385  
    Our Price:
    $459.99
    Description:
    Bushmaster M4 Upper Receiver Kit, ready to complete your build. Kit includes fully assembled A2 upper receiver, bolt carrier group, handguards and charging handle. Upper features a 11.5” 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 an A2 rear sight. Included complete bolt carrier group has a matte black phosphate finish, is chrome lined and is magnetic particle inspected. All NFA rules apply. Mfg: Bushmaster Firearms Int.Llc.
  2. 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.
  3. 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
  4. 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
  5. 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
  6. 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

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ar 15 .308 upper & Accessories

Related Items
  1. 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
  2. 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.
  3. Ar-15 Upper Parts Kit
    Item#:
    100-019-269  
    Our Price:
    $17.99
    Description:
    The Aero Precision upper parts kit includes the parts you need to assemble your AR15 Upper Receiver. Includes: Forward Assist Assembly Forward Assist Spring Forward Assist Roll Pin Ejection Port Cover Door Ejection Port Cover Rod with c-clip Ejection Port Cover Spring Mfg: Aero Precision
  4. 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
  5. Ar-15 Stripped A2 Upper Receiver - Stripped A2 Upper Receiver
    Item#:
    231-000-152  
    Our Price:
    $99.99
    Description:
    Fully machined and finished, military style uppers ready for you to install your choice of barrel, carrier, bolt, forearm, and lower to build a custom AR-15. A2 carry handle style, complete with cuts for mounting A2 rear sight. Features shell deflector, forward assist housing, and provisions for installing an ejection port cover. Precision machined from a premium-grade aluminum forging and hardcoat anodized for extra strength, with a tough, scratch-resistant Teflon coating. Does Not feature M4 Style Cuts. Mfg: Dpms SPECS: Aluminum, hard anodized, Teflon coated, matte black. Fits mil-spec AR-15 lower receiver with .250” pivot pins. Does Not feature M4 Style Cuts.
  6. Upper Receiver Tac2 Upper Assembly - Ar15 16" Tac2 Upper Assembly 1-9
    Item#:
    231-000-346  
    Our Price:
    $649.99
    Description:
    Complete, ready-to-install, receivers let you change your AR-15 from a sporter to a match rifle or long-range varminter in just minutes—or add to a lower receiver to complete a parts gun. All barrels have six-groove, 1-9" right-hand twist rifling and M4-type feed ramp. TAC2 features a 16" 4140 1-9 lightweight barrel with a rifle length gas system. Includes front sight and M111  modular handguard. Mfg: Dpms SPECS: Receiver - aluminum, anodized and Teflon® coated, black. TAC2 - 16" 4140 barrel 1-9 twist.

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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:
    $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. Umc Ammo 223 Remington 55gr Fmj With Brownlls Mags - 223 Rem 55gr Fmj 200 Rounds & 3 30 Rnd Ar-15 Ma
    Item#:
    100-007-778  
    Our Price:
    $139.99
    Description:
    200-Rds of 223 Remington 55gr FMJ ammo bundled with your choice of Brownells or MAGPUL 30-Rd AR-15 Magazines. Mfg: Remington Arms Inc
  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. 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
  5. 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
  6. American Eagle Ammo 5.56x45mm Nato 55gr Xm193 With Brownells Mags - 5.56x45mm Nato 55gr Fmj 200 Roun
    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

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Hunting down Ar 15 .308 Upper? Brownells.com carries the best selection at the lowest prices around. With 199 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!