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Ar 15 Upper Receivers

Best Sellers
  1. 308ar Upper Receivers - Lr-308 Upper Receiver, Assembled
    Item#:
    231-000-266  
    Our Price:
    $193.99
    Description:
    High-quality, extruded upper receiver comes in A3 flattop configuration that offers plenty of flexibility in both open and optical sighting options. MIL-STD 1913 Picatinny rail has 17 cross-slots that accept popular AR-15/M16 accessories and scope mounts. Shell deflector and forward assist are machined as a single unit Assembled receiver has the charging handle, ejection port cover, and forward assist already installed. Stripped upper is receiver only. Mfg: Dpms SPECS: Extruded 7129-T5 aluminum, hardcoat anodized and Teflon coated, matte black finish. .275" dia. pivot and takedown pin holes. Compatible with DPMS LR-308 lower receivers and barrels only.
  2. 308ar Upper Receivers - Lr-308 Upper Receiver, Stripped
    Item#:
    231-000-282  
    Our Price:
    $142.99
    Description:
    High-quality, extruded upper receiver comes in A3 flattop configuration that offers plenty of flexibility in both open and optical sighting options. MIL-STD 1913 Picatinny rail has 17 cross-slots that accept popular AR-15/M16 accessories and scope mounts. Shell deflector and forward assist are machined as a single unit Assembled receiver has the charging handle, ejection port cover, and forward assist already installed. Stripped upper is receiver only. Mfg: Dpms SPECS: Extruded 7129-T5 aluminum, hardcoat anodized and Teflon coated, matte black finish. .275" dia. pivot and takedown pin holes. Compatible with DPMS LR-308 lower receivers and barrels only.
  3. Ar-15/M16 Tactical Elite Piston Upper Receivers - Gas Piston Upper Receiver, Pistol
    Item#:
    100-005-990  
    Our Price:
    $735.00
    Description:
    Ready To Install To Make A Reliable, Clean Running Piston Carbine Or Pistol
  4. Ar-15/M16 Base Piston Upper Receivers - Gas Piston Upper Receiver, Carbine
    Item#:
    100-005-989  
    Our Price:
    $588.99
    Description:
    Ready To Install To Make A Reliable, Clean Running Piston Rifle
  5. Ar-15/M16 Tactical Elite Piston Upper Receivers - Gas Piston Upper Receiver Tac Elite, Mid-Length
    Item#:
    100-013-536  
    Our Price:
    $799.99
    Description:
    Ready To Install To Make A Reliable, Clean Running Piston Carbine Or Pistol
  6. Ar15/M16 Upper Receivers - Ar15/M16 16" Rxa15 Ss M4 Mod Upper Receiver
    Item#:
    100-013-606  
    Our Price:
    $330.00
    Description:
    Upper Receiver assemblies complete with barrel, gas block and handguard installed. 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 a 16", 20" or 24" barrel. These models also include a tubular style handguard with a .936" gas block. All upper receiv Mfg: Red X Arms

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Colt Ar 15 Upper Receivers

Related Items
  1. Complete Upper Receiver 16"
    Item#:
    160-000-387  
    Our Price:
    $1,056.00
    Description:
    Add the Colt legend of reliability to you rifle or build with these complete upper receivers from Colt. These are the same upper receivers that can be found on the LE6920, LE6920 SOCOM, and LE6940 model rifles. The LE6920CK and LE6921CK are based off the combat proven M4 upper receiver and features 1/7 RH twist in a 16.1” barrel on the LE6920CK and 14.5” barrel in the LE6921CK. The LE6920SCMCK is based off the LE6920 SOCOM and has the same features as the LE6920CK but includes a heavy barrel and Troy quad rail. The LE6940CK and LE6944CK feature a one-piece monolithic upper receiver that has a continuous Mil-Spec rail from the rear of the upper receiver to the front sight and a Mfg: Colt
  2. Complete Upper Receiver 16" - Socom Upper Receiver
    Item#:
    160-000-389  
    Our Price:
    $859.99
    Description:
    Add the Colt legend of reliability to you rifle or build with these complete upper receivers from Colt. These are the same upper receivers that can be found on the LE6920, LE6920 SOCOM, and LE6940 model rifles. The LE6920CK and LE6921CK are based off the combat proven M4 upper receiver and features 1/7 RH twist in a 16.1” barrel on the LE6920CK and 14.5” barrel in the LE6921CK. The LE6920SCMCK is based off the LE6920 SOCOM and has the same features as the LE6920CK but includes a heavy barrel and Troy quad rail. The LE6940CK and LE6944CK feature a one-piece monolithic upper receiver that has a continuous Mil-Spec rail from the rear of the upper receiver to the front sight and a Mfg: Colt
  3. Carry Handle Upper Receiver, .223/5.56 - Flattop Upper Receiver W/Assist & Cover, .223/5.56
    Item#:
    160-302-053  
    Our Price:
    $169.99
    Description:
    Stripped Uppers In A2 & Flattop Styles; Genuine Factory Parts
  4. Carry Handle Upper Receiver, .223/5.56 - Flattop Upper Receiver W/ Deflector & Dust Cover, 9mm
    Item#:
    160-000-395  
    Our Price:
    $159.99
    Description:
    Stripped Uppers In A2 & Flattop Styles; Genuine Factory Parts
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Ammunition
  1. First Defense Handgun Ammunition - First Defense .45 Acp 165gr Schp 20 Rnds/Box
    Item#:
    105-053-245  
    Our Price:
    $25.99
    Description:
    FIRST DEFENSE HANDGUN AMMUNITION Mfg: Magtech Ammunition
  2. Clean Range Ammo - Clean Range 9mm 115gr Feb 50 Rnds/Box
    Item#:
    105-053-236  
    Our Price:
    $20.99
    Description:
    CLEAN RANGE AMMO Mfg: Magtech Ammunition
  3. Handgun Bullets - .380 Auto 77gr Schp Bullets 100/Bag
    Item#:
    105-053-197  
    Our Price:
    $41.99
    Description:
    Avid. Dedicated. Knowledgeable. Are there more accurate words to describe reloading enthusiasts? We don't think so. You know your stuff, and you know good components when you hold them in your hand. Primers, unprimed shotshell brass cases, and unprimed brass cases and bullets...all made to the same exacting standards as our technologically advanced factory loads. Whether you reload for the challenge of creating the “perfect load,” for the authenticity of cowboy shooting, or just to save a little dough, Magtech components are your choice for quality you can depend on, at a price you can afford! Next time you’re out loading up on supplies, lay your hands on some M Mfg: Magtech Ammunition
  4. Handgun Bullets - .380 Auto 95gr Fmj Bullets 100/Bag
    Item#:
    105-053-194  
    Our Price:
    $12.49
    Description:
    Avid. Dedicated. Knowledgeable. Are there more accurate words to describe reloading enthusiasts? We don't think so. You know your stuff, and you know good components when you hold them in your hand. Primers, unprimed shotshell brass cases, and unprimed brass cases and bullets...all made to the same exacting standards as our technologically advanced factory loads. Whether you reload for the challenge of creating the “perfect load,” for the authenticity of cowboy shooting, or just to save a little dough, Magtech components are your choice for quality you can depend on, at a price you can afford! Next time you’re out loading up on supplies, lay your hands on some M Mfg: Magtech Ammunition
  5. Buckshot Shotgun Shells - Buckshot 12ga 2-3/4in. 1-1/8oz #00 9 Pellet 25/Box
    Item#:
    105-053-108  
    Our Price:
    $12.99
    Description:
    Wide assortment of buckshot sizes and weights, using several styles of wad cups and loaded to various velocity levels. Mfg: Sellier & Bellot
  6. Tactical Ae223 100-Round Box - Tactical Ae223, .223 Rem 55gr Fmj 100-Round Box
    Item#:
    105-200-353  
    Our Price:
    $36.99
    List Price: $39.99
    Description:
    Offering outstanding performance at an economical price, American Eagle ammo lets you practice with the same-strength loads you’ll actually hunt with or use in competition. Available in a variety of popular rifle calibers with standard bullet weights that ensure your gun shoots the same when punching paper at your favorite range as it does in the field, when every shot is critical.   Mfg: American Eagle

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So, you're looking for Ar 15 Upper Receivers? Brownells.com carries the widest selection at the best prices on the web. Here, you'll find 71 Ar 15 Upper Receivers and Colt Ar 15 Upper Receivers, the best available, at prices from $59.99 to $1,149.00. Our excellent selection of gun parts and gunsmith tools, along with our unwavering commitment to the best prices and customer service, has made us the number one online retailer in the industry. We know you'll find our Ar 15 Upper Receivers to be everything you expect, so we're proud to offer a 100% satisfaction guarantee. If you're not completely satisfied with your purchase, we'll make it right; whatever it takes. So check out our complete selection of Ar 15 Upper Receivers and place your order online or by calling 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!