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Upper Receiver

Best Sellers
  1. Ar-15 Upper Receiver Assemblies - Ar15 16" Tac2 Upper Assembly 1-9
    Item#:
    231-000-346  
    Our Price:
    $769.99
    Description:
    Easy-To-Swap, Complete, Fully Assembled Top Ends; Carry Handle & Flattop Models; Lots Of Options
  2. Ar-15 Upper Receiver Assemblies - Upper Receiver W/5.56 Cal, Oracle Barrel Assembly
    Item#:
    231-000-339  
    Our Price:
    $479.00
    Description:
    Easy-To-Swap, Complete, Fully Assembled Top Ends; Carry Handle & Flattop Models; Lots Of Options
  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. 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
  5. Ar-15/M16 Modular Upper Receiver - Mur Upper Receiver
    Item#:
    100-004-042  
    Our Price:
    $199.99
    Description:
    Extra Metal For Superb Strength & Rigidity; Mil-Spec Dimensions For Compatibility
  6. Carry Handle Upper Receiver, .223/5.56 - Carry Handle Upper Receiver, 9mm
    Item#:
    160-302-052  
    Our Price:
    $189.79
    Description:
    Stripped Uppers In A2 & Flattop Styles; Genuine Factory Parts

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Bushmaster M4 Upper Receiver

Related Items
  1. Ar-15/M16 V-Match Stripped Upper Receiver - V-Match Upper Receiver
    Item#:
    100-003-667  
    Our Price:
    $94.99
    Description:
    Extra-Strong Alloy For Durability; Fully Machined For Precise Fit
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Ammunition
  1. Win 1911 Ammunition - Win 1911 .45 Acp 230gr Jhp 50/Box
    Item#:
    105-000-436  
    Our Price:
    $39.99
    Description:
    Offering performance and reliability specifically designed for use in 1911 firearms, Win1911 provides a choice of personal defense or training ammunition that has been matched for ballistic performance and engineered for the same feel and function. Nickel-Plated Bullet Ballistically Matched Sure Functioning Mfg: Winchester
  2. Win 1911 Ammunition - Win 1911 .45 Acp 230gr Fmj 50/Box
    Item#:
    105-000-437  
    Our Price:
    $27.99
    Description:
    Offering performance and reliability specifically designed for use in 1911 firearms, Win1911 provides a choice of personal defense or training ammunition that has been matched for ballistic performance and engineered for the same feel and function. Nickel-Plated Bullet Ballistically Matched Sure Functioning Mfg: Winchester
  3. Win 1911 Ammunition - Win 1911 .45 Acp 230gr Fmj 500/Case
    Item#:
    105-000-439  
    Our Price:
    $269.99
    Description:
    Offering performance and reliability specifically designed for use in 1911 firearms, Win1911 provides a choice of personal defense or training ammunition that has been matched for ballistic performance and engineered for the same feel and function. Nickel-Plated Bullet Ballistically Matched Sure Functioning Mfg: Winchester
  4. Win 1911 Ammunition - Win 1911 .45 Acp 230gr Jhp 500/Case
    Item#:
    105-000-438  
    Our Price:
    $389.99
    Description:
    Offering performance and reliability specifically designed for use in 1911 firearms, Win1911 provides a choice of personal defense or training ammunition that has been matched for ballistic performance and engineered for the same feel and function. Nickel-Plated Bullet Ballistically Matched Sure Functioning Mfg: Winchester
  5. Train & Defend Ammunition - Train .40 S&W 180gr Fmj 500/Case
    Item#:
    105-000-455  
    Our Price:
    $209.99
    Description:
    The Winchester Train & Defend Ammunition System is a straight-forward solution for new shooters interested in training to become more proficient with their personal defense ammunition. This ballistically-matched ammunition pairs range-ready TRAIN  rounds with threat-stopping technology-driven DEFEND rounds, each designed for less recoil. Less Felt Recoil Same Point of Impact Mfg: Winchester
  6. Train & Defend Ammunition - Defend .40 S&W 180gr Jhp 200/Case
    Item#:
    105-000-454  
    Our Price:
    $239.99
    Description:
    The Winchester Train & Defend Ammunition System is a straight-forward solution for new shooters interested in training to become more proficient with their personal defense ammunition. This ballistically-matched ammunition pairs range-ready TRAIN  rounds with threat-stopping technology-driven DEFEND rounds, each designed for less recoil. Less Felt Recoil Same Point of Impact Mfg: Winchester

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On the hunt for Upper Receiver? You've found Brownells.com, home of the best selection and prices every day. We've got 162 Upper Receiver and Bushmaster M4 Upper Receiver, from $7.95 to $1,149.99, meaning your search is over. As the number one online retailer of gun parts and gunsmith tools, we'll provide excellent customer service, great prices, and top-quality merchandise every day. We're so confident in our selection of Upper Receiver, we make you a promise. Our 100% satisfaction guarantee means if you're not completely happy with your purchase, we'll do everything we can to make it right. It's easy to browse our complete selection of Upper Receiver. 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.