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M4 Upper Receiver

Best Sellers
  1. 308 Ar M5 Upper Receiver
    Item#:
    100-015-987  
    Our Price:
    $155.00
    Description:
    Forged from 7075-T6 aluminum, the Aero Precision M5 308 Upper Receiver is a great platform for a big-bore AR build.  Precision machined to Aero Precision’s specifications, the upper features M4 feedramps and a matte black hard coat anodized Mil 8625 Type 3 Class 2 finish.  DPMS pattern takedown holes (.2795”) allows for compatibility with a wide range of lower receivers.  Receiver is compatible with standard DPMS pattern 308 components, including lowers, bolt carriers, charging handles and barrels.  Comes with forward assist and ejection port cover installed.  Works with DPMS high profile handguards. Mfg: Aero Precision SPECS: Fits - DPMS pattern 308 parts, including barrel, bolt carrier, charging handle and lower. Weight 14.1 oz.
  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 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. Hsa-15 Upper Receiver Assembly
    Item#:
    430-000-528  
    Our Price:
    $599.99
    Description:
    Completely Assembled, Ready To Install On Your Choice Of Lower
  5. Ar-15/M16 Stripped Upper Receiver - Ar-15/M16 Stripped Upper Receiver Fde/Desert
    Item#:
    100-013-288  
    Our Price:
    $97.99
    Description:
    The Aero Precision upper is made of 7075 aircraft aluminum for superior strength and given a super tough, Type 3 hardcoat anodized finish for excellent wear resistance. Models with laser-engraved T-marks and an American flag on the Picatinny rail, plus M4-type feed cuts inside for reliable feeding also available. Compatible with standard, mil-spec AR lowers and components. A really high-quality receiver at a great price! Mfg: Aero Precision SPECS: 7075 T6 aluminum, hardcoat anodized, matte black. Uses .250” pivot and takedown pins. Available with Black, FDE/Desert or Sniper Gray Cerakote finish.
  6. Ar-15 Upper Receiver Assemblies - Ar-15 7" Upper Receiver Assembly
    Item#:
    231-000-353  
    Our Price:
    $569.99
    Description:
    AR-15 Upper Receivers ready to install on SBR or Pistol lower receivers.  Available with 14.5, 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers.  Barrels feature a pinned front sight base.  Other features includes flat top upper receiver,  bolt carrier group, charging handle and A2 flash hider.  11.5" model available with AAC 51T Blackout Flash Hider.  14.5" & 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply. Mfg: Dpms SPECS: Fit standard AR-15/M16 lower receivers.  Only for use on SBR or Pistol lower receivers.

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m4 upper receiver & Accessories

Related Items
  1. Ar-15 Upper Receiver Assemblies - Ar-15 11.5" Upper Receiver Assembly
    Item#:
    231-000-354  
    Our Price:
    $529.99
    Description:
    AR-15 Upper Receivers ready to install on SBR or Pistol lower receivers.  Available with 14.5, 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers.  Barrels feature a pinned front sight base.  Other features includes flat top upper receiver,  bolt carrier group, charging handle and A2 flash hider.  11.5" model available with AAC 51T Blackout Flash Hider.  14.5" & 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply. Mfg: Dpms SPECS: Fit standard AR-15/M16 lower receivers.  Only for use on SBR or Pistol lower receivers.
  2. 308 Ar Stripped Upper Receiver - 308ar Stripped Upper Receiver
    Item#:
    100-014-690  
    Our Price:
    $139.99
    Description:
    Machined from 7075 aluminum forgings, this stripped upper receiver meets or exceeds Mil-Spec tolerance requirements. Features M4-type feed ramps and a flattop 1913 Picatinny rail with machined T-markings for proper positioning of sights, carry handle, and other accessories. Uppers are Type III hardcoat anodized for added surface strength, abrasion resistance, and corrosion resistance. No forward assist or ejection port cover is required. Fits DPMS pattern .308 lower receivers and barrels. Mfg: Detroit Gun Works SPECS: 7075 aluminum, Type III hardcoat anodized finish, black. .280" (7.1mm) pivot and mounting holes.
  3. Ar-15 A2 Upper Receiver Kit - Upper Receiver Kit
    Item#:
    231-115-002  
    Our Price:
    $68.99
    Description:
    The easiest way to stock and sell genuine, mil-spec AR-15 parts, or use to assemble rifles on your receivers. Much lower in total cost than buying the parts one at a time. Kit includes: charging handle assembly, A2 rear sight assembly, forward assist assembly, and ejection port cover assembly. Mfg: Dpms SPECS: Unassembled kits packaged in heat-sealed, poly bags, ­labeled for resale. Fits AR-15 only.
  4. 308 Ar Quick Takedown Upper Receiver - 308 Ar Quick Takedown Upper Receiver Build Kit
    Item#:
    100-017-318  
    Our Price:
    $695.00
    Description:
    The DRD Tactical 308 AR Upper Receiver Build Kit offers a unique design to allow for the rifle to be quickly disassembled and reassembled. The build kit includes the proprietary upper receiver, barrel nut and handguard which are compatible with DPMS 308 lower receivers. Simply assemble a barrel, low profile gas block, and gas tube of your choice with the DRD barrel nut which allows you to hand tighten the barrel assembly to the upper. The handguard utilizes a pin system that works in conjunction with the barrel nut and allows it to quickly be slipped on and off. Mfg: Drd Tactical
  5. Ar-15 Upper Receiver Assemblies - Ar-15 11.5" Upper Receiver Assembly W/ 51t Aac Flashhider
    Item#:
    231-000-355  
    Our Price:
    $599.99
    Description:
    AR-15 Upper Receivers ready to install on SBR or Pistol lower receivers.  Available with 14.5, 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers.  Barrels feature a pinned front sight base.  Other features includes flat top upper receiver,  bolt carrier group, charging handle and A2 flash hider.  11.5" model available with AAC 51T Blackout Flash Hider.  14.5" & 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply. Mfg: Dpms SPECS: Fit standard AR-15/M16 lower receivers.  Only for use on SBR or Pistol lower receivers.
  6. Upper Receiver Tac2 Upper Assembly - Ar15 16" Tac2 Upper Assembly 1-9
    Item#:
    231-000-346  
    Our Price:
    $769.99
    Description:
    Complete, ready-to-install, semi-auto 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. Frangible Hp Training/Duty Ammo - Frangible Hp .380 Auto 75gr  20/Box
    Item#:
    105-000-474  
    Our Price:
    $13.99
    Description:
    Team Never Quit (TNQ)’s Frangible Hollow Point round has been created to provide a lead-free projectile with a hollow point, while still utilizing the same sintering technology of the Training round. This alternative to traditional ammunition, provides a crossover round which can be used for both dynamic training and still provide a good option in your carry weapon for self defense. This provides great solution for dynamic training on steel targets to minimize the safety hazards associated with the splash-back and ricochets that are typical of lead bulleted ammunition, especially at close ranges, while also providing amazing terminal performance in a self defense or hunting situatio Mfg: Team Never Quit
  2. E-Tip Lead Free Ammunition - 7mm Rem Mag 150gr E-Tip 20/Box
    Item#:
    749-016-428  
    Our Price:
    $40.49
    Description:
    Nosler E-Tip Ammunition is loaded up front with the high-performance, lead-free, E-Tip hunting bullet.  The E-Tip bullet combines uniform expansion with 95%+ weight retention for superior penetration and excellent terminal performance on all types of big game. Mfg: Nosler, Inc.
  3. E-Tip Lead Free Ammunition - 308 Win 150gr E-Tip 20/Box
    Item#:
    749-016-429  
    Our Price:
    $33.99
    Description:
    Nosler E-Tip Ammunition is loaded up front with the high-performance, lead-free, E-Tip hunting bullet.  The E-Tip bullet combines uniform expansion with 95%+ weight retention for superior penetration and excellent terminal performance on all types of big game. Mfg: Nosler, Inc.
  4. E-Tip Lead Free Ammunition - 308 Win 168gr E-Tip 20/Box
    Item#:
    749-016-430  
    Our Price:
    $33.99
    Description:
    Nosler E-Tip Ammunition is loaded up front with the high-performance, lead-free, E-Tip hunting bullet.  The E-Tip bullet combines uniform expansion with 95%+ weight retention for superior penetration and excellent terminal performance on all types of big game. Mfg: Nosler, Inc.
  5. E-Tip Lead Free Ammunition - 30-06 Springfield 168gr E-Tip 20/Box
    Item#:
    749-016-431  
    Our Price:
    $33.99
    Description:
    Nosler E-Tip Ammunition is loaded up front with the high-performance, lead-free, E-Tip hunting bullet.  The E-Tip bullet combines uniform expansion with 95%+ weight retention for superior penetration and excellent terminal performance on all types of big game. Mfg: Nosler, Inc.
  6. E-Tip Lead Free Ammunition - 30-06 Springfield 180gr E-Tip 20/Box
    Item#:
    749-016-432  
    Our Price:
    $33.99
    Description:
    Nosler E-Tip Ammunition is loaded up front with the high-performance, lead-free, E-Tip hunting bullet.  The E-Tip bullet combines uniform expansion with 95%+ weight retention for superior penetration and excellent terminal performance on all types of big game. Mfg: Nosler, Inc.

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Ready to buy M4 Upper Receiver? Brownells.com carries the widest selection at the best prices on the web. Here, you'll find 111 M4 Upper Receiver and M4 Upper Receiver & Accessories, the best available, at prices from $6.99 to $1,199.99. 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 convinced you'll be happy with all our M4 Upper Receiver that we offer a 100% customer satisfaction guarantee. If you're not completely satisfied with your purchase let us know so we can make it right. Our entire inventory of M4 Upper Receiver is online, so it's easy to find what you need. When you're ready to order, use our simple cart or call us toll-free at 1-800-741-0015. We're passionate about meeting all your needs for gun parts and gunsmith tools, and we're confident you'll find what you need here. If you have any questions, don't hesitate to give us a call!