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Quad Rail Upper

Best Sellers
  1. Ak-47 Intrafuse Quad Rail Handguard - Intrafuse Quad Rail Handguard, Black
    Item#:
    100-004-130  
    Our Price:
    $45.99
    Description:
    Increases Accessory-Mounting Options; Improves Weapon Control & Appearance
  2. Rfb Quad Rail/Riser Set
    Item#:
    100-017-013  
    Our Price:
    $59.99
    Description:
    Factory quad rail for the RFB. Mfg: Kel-Tec
  3. 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
  4. Ar-15 10.5" Upper Assembly 5.56 M4 Hybrid Rail No Bcg Or Ch - 10.5" Upper Assembly 5.56 M4
    Item#:
    100-023-345  
    Our Price:
    $291.87
    Description:
    The Radical Firearms 10.5" 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. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 10.5" M4 Profile Barrel and A2 Flash Hider. Bolt Carrier Group and Charging Handle are not included. 10.5" M4 Melonite Barrel 4150V Chrome Moly 1 in 7" twist rate HPT/MPI 5.56 NATO Chamber M4 Feed ramps Low Profile Micro Gas Block DGI Stainless Carbine-length gas tube Mfg: Radical Firearms
  5. Ar-15 7.5" Upper Assembly 5.56 M4 Hybrid Rail No Bcg Or Ch - 7.5" Upper Assembly 5.56 M4 H
    Item#:
    100-023-343  
    Our Price:
    $291.87
    Description:
    The Radical Firearms 7.5" 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. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 7.5" M4 Profile Barrel and A2 Flash Hider. Bolt Carrier Group and Charging Handle are not included. 7.5" M4 Melonite Barrel 4150V Chrome Moly 1 in 7" twist rate HPT/MPI 5.56 NATO Chamber M4 Feed ramps Low Profile Micro Gas Block DGI Stainless Pistol-length gas tube Mfg: Radical Firearms
  6. Ar-15 10.5" Upper Assembly 300 Blk Hbar Fgs Rail No Bcg Or Ch - 10.5" Upper Assembly 300 B
    Item#:
    100-023-353  
    Our Price:
    $239.99
    Description:
    The Radical Firearms 10.5" 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. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 10.5" HBAR Barrel and A2 Flash Hider. Our free-float handguard: Forward Guard Shield (FGS) keeps your hands cool and provides plenty of room for accessories. The FGS rail even has the capability to add attachments other than on the top picatinny rail, as it does allow Magpul MOE attachments and rail sections. Bolt Carrier Grou Mfg: Radical Firearms

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quad rail upper & Accessories

Related Items
  1. Ar-15/M16 Sp3r V3 Keymod Quad Rail - Sp3r V3 Mod Quad Rail System 15" Keymod
    Item#:
    100-011-237  
    Our Price:
    $234.99
    Description:
    Rugged, one-piece, free-float handguard system designed with flats on the bottom and sides to help stabilize the rifle when shooting from barricades or improvised rests such as those encountered in 3-gun or sniper competitions. Narrow, 2" wide body offers light weight and fits easily into the hand for better control and handling. Six QD sling swivel sockets are built into the design for extra versatility. Note: Shipping the V3 rail with keymod cuts at 3,6, and 9 o'clock positions   Mfg: Seekins Precision SPECS: 6061 T6 aluminum, hardcoat anodized matte black.2-1/16" (5.2 cm) height, 2" (5 cm) width, 15" (38.1) length. Mounting hardware and instructions included. Not suitable for gas piston systems.
  2. Ar 308 16" Upper Assembly 7.62x39 Hbar Fgs Rail No Bcg Or Ch - 16" Upper Assembly 7.62x39
    Item#:
    100-023-357  
    Our Price:
    $239.99
    Description:
    Radical Firearms 7.62x39 16" HBAR Radical Upper Receiver is a flat top, 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. Comes assembled with Upper Receiver, Forward Assist, Ejection Port Door, and Barrel Nut. 16" HBAR Profile Barrel and A2 Flash Hider.  16" HBAR Melonite Barrel 4150V Chrome Moly  1 in 8" twist rate 7.62x39 Chamber 5/8x24 Thread Pitch HPT/MPI M4 Feed ramps Low Profile Micro Gas Block Stainless pistol-length gas system (this will cycle subsonic loads) 16" Mfg: Radical Firearms
  3. Ar-15 16" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch - 16" Upper Assy 5.56 M4 St
    Item#:
    100-023-348  
    Our Price:
    $332.13
    Description:
    The 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. Comes assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 16" M4 Profile Barrel and A2 Flash Hider.  16" SOCOM Melonite Barrel 4150V Chrome Moly  1 in 7" twist rate HPT/MPI  5.56 NATO Chamber  M4 Feed ramps  Low Profile Micro Gas Block 16" Radical Firearms Keymod Handguard: Features Reverse Keymod sections so Mfg: Radical Firearms
  4. Ar-15 10.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch - 10.5" Upper Assy 5.56 M
    Item#:
    100-023-346  
    Our Price:
    $332.13
    Description:
    The Radical Firearms 10.5" 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. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 10.5" M4 Profile Barrel and A2 Flash Hider. Bolt Carrier Group and Charging Handle are not included. 10.5" M4 Melonite Barrel 4150V Chrome Moly 1 in 7" twist rate HPT/MPI 5.56 NATO Chamber M4 Feed ramps Low Profile Micro Gas Block DGI Stainless Carbine-length gas tube Mfg: Radical Firearms
  5. Ar-15 7.5" Upper Assy 5.56 M4 Standard Keymod Rail No Bcg Or Ch - 7.5" Upper Assy 5.56 M4
    Item#:
    100-023-344  
    Our Price:
    $332.13
    Description:
    The Radical Firearms 7.5" 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. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 7.5" M4 Profile Barrel and A2 Flash Hider. Bolt Carrier Group and Charging Handle are not included. 7.5" M4 Melonite Barrel 4150V Chrome Moly 1 in 7" twist rate HPT/MPI 5.56 NATO Chamber M4 Feed ramps Low Profile Micro Gas Block DGI Stainless Pistol-length gas tube Mfg: Radical Firearms
  6. Ar-15 16" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch - 16" Upper Assy 300 Blk Hb
    Item#:
    100-023-360  
    Our Price:
    $332.13
    Description:
    Radical Firearms 300 Blackout 16" HBAR Radical Upper Receiver is a flat top, 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. Comes assembled with Upper Receiver, Forward Assist, Ejection Port Door, and Barrel Nut. 16" HBAR Profile Barrel and A2 Flash Hider. 16" HBAR Melonite Barrel 4150V Chrome Moly  1 in 8" twist rate  300 AAC BLACKOUT Chamber 5/8x24 Thread Pitch  HPT/MPI  M4 Feed ramps Low Profile Micro Gas Block  Stainless pistol-length gas system (this will cycl Mfg: Radical Firearms

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Ammunition
  1. 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
  2. Solid Defense Ammo 223 Remington 70gr Tsx - 223 Remington 70gr Triple Shock-X 50/Box
    Item#:
    749-012-352  
    Our Price:
    $65.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  3. Tactical Match Grade Ammo 223 Remington 68gr Otm Bthp - 223 Remington 68gr Otm W/Cannelure 50/Box
    Item#:
    749-012-351  
    Our Price:
    $40.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  4. Tactical Match Grade Ammo 308 Winchester 168gr Sierra Matchking - 308 Winchester 168gr Otm Sierra Ma
    Item#:
    749-012-354  
    Our Price:
    $39.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  5. Rifle Ammo Boxes - Ammo Boxes Rifle Green 22 Benchrest Rem-6mm Rem Benchrest 25
    Item#:
    749-006-478  
    Our Price:
    $65.99
    Description:
    RIFLE AMMO BOXES Mfg: Sinclair International
  6. Pistol Ammo Cans - 40 S&W 180gr Fmj 400/Can
    Item#:
    105-000-707  
    Our Price:
    $169.99
    Description:
    The Aguila Advantage will hit dead center. A wide variety of calibers from the standard to the unique, Aguila offers high-quality rounds that cycle flawlessly with remarkable consistency in both velocity and accuracy. The use of Non-Corr Priming means reliable ignition in any weather condition. Now combined with the easy to store MTM ammo can. Keeps your ammo stored fresher, longer. Or makes it easier to carry to the range. Mfg: Aguila

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Shopping for Quad Rail Upper? Count on Brownells.com to provide the best selection and prices every day. With 112 Quad Rail Upper and Quad Rail Upper & Accessories in stock ranging in price from $15.99 to $4,195.00, you'll find all the best choices available. 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 Quad Rail Upper 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 Quad Rail Upper and place your order online or by calling us toll free at 1-800-741-0015. We're here to provide you with all the gun parts and gunsmith tools and information you need, so - if you don't find what you're looking for online - give us a call!