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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:
    $42.42
    Description:
    Increases Accessory-Mounting Options; Improves Weapon Control & Appearance
  2. Rfb Quad Rail/Riser Set
    Item#:
    100-017-013  
    Our Price:
    $55.19
    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:
    $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/M16 Sp3r V3 Keymod Quad Rail - Sp3r V3 Mod Quad Rail System 15" Keymod
    Item#:
    100-011-237  
    Our Price:
    $179.00
    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.
  5. 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
  6. 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

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quad rail upper & Accessories

Related Items
  1. 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
  2. Ar-15 16" Upper Assembly 7.62x39 Hbar Fgs Rail No Bcg Or Ch - 16" Upper Assembly 7.62x39 H
    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 Assembly 300 Blk Hbar Hybrid Rail No Bcg Or Ch - 16" Upper Assembly 300 Bl
    Item#:
    100-023-356  
    Our Price:
    $291.87
    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 complete and 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 cycle subsonic load 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 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
  6. 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

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Ammunition
  1. Core-Lokt Ammo 243 Winchester 100gr Pointed Sp - 243 Winchester 100gr Pointed Soft Point 20/Box
    Item#:
    105-202-022  
    Our Price:
    $21.99
    Description:
    Premium Ultra Mag For Serious Hunters There’s probably been more big game shot with Remington Core-Lokts than any other ammunition. For more than six decades, it has remained the leader in centerfire hunting ammunition. One of the first controlled-expansion bullet designs, it’s still one of the most effective ever developed. Its progressively tapered copper jacket is locked to a solid lead core for perfectly controlled expansion and high weight retention. The Pointed Soft Point Core-Lokt (PSPCL) style has a Spitzer-shaped profile for improved velocity and flat trajectory. Mfg: Remington
  2. Core-Lokt Ammo 25-06 Remington 100gr Pointed Sp - 25-06 Remington 100gr Pointed Soft Point 20/Box
    Item#:
    105-202-023  
    Our Price:
    $29.99
    Description:
    Premium Ultra Mag For Serious Hunters There’s probably been more big game shot with Remington Core-Lokts than any other ammunition. For more than six decades, it has remained the leader in centerfire hunting ammunition. One of the first controlled-expansion bullet designs, it’s still one of the most effective ever developed. Its progressively tapered copper jacket is locked to a solid lead core for perfectly controlled expansion and high weight retention. The Pointed Soft Point Core-Lokt (PSPCL) style has a Spitzer-shaped profile for improved velocity and flat trajectory. Mfg: Remington
  3. Core-Lokt Ammo 25-06 Remington 120gr Pointed Sp - 25-06 Remington 120gr Pointed Soft Point 20/Box
    Item#:
    105-202-024  
    Our Price:
    $32.99
    Description:
    Premium Ultra Mag For Serious Hunters There’s probably been more big game shot with Remington Core-Lokts than any other ammunition. For more than six decades, it has remained the leader in centerfire hunting ammunition. One of the first controlled-expansion bullet designs, it’s still one of the most effective ever developed. Its progressively tapered copper jacket is locked to a solid lead core for perfectly controlled expansion and high weight retention. The Pointed Soft Point Core-Lokt (PSPCL) style has a Spitzer-shaped profile for improved velocity and flat trajectory. Mfg: Remington
  4. Core-Lokt Ammo 260 Remington 140gr Pointed Sp - 260 Remington 140gr Pointed Soft Point 20/Box
    Item#:
    105-202-029  
    Our Price:
    $37.99
    Description:
    Premium Ultra Mag For Serious Hunters There’s probably been more big game shot with Remington Core-Lokts than any other ammunition. For more than six decades, it has remained the leader in centerfire hunting ammunition. One of the first controlled-expansion bullet designs, it’s still one of the most effective ever developed. Its progressively tapered copper jacket is locked to a solid lead core for perfectly controlled expansion and high weight retention. The Pointed Soft Point Core-Lokt (PSPCL) style has a Spitzer-shaped profile for improved velocity and flat trajectory. Mfg: Remington
  5. Core-Lokt Ammo 270 Winchester 130gr Pointed Sp - 270 Winchester 130gr Pointed Soft Point 20/Box
    Item#:
    105-202-032  
    Our Price:
    $22.49
    Description:
    Premium Ultra Mag For Serious Hunters There’s probably been more big game shot with Remington Core-Lokts than any other ammunition. For more than six decades, it has remained the leader in centerfire hunting ammunition. One of the first controlled-expansion bullet designs, it’s still one of the most effective ever developed. Its progressively tapered copper jacket is locked to a solid lead core for perfectly controlled expansion and high weight retention. The Pointed Soft Point Core-Lokt (PSPCL) style has a Spitzer-shaped profile for improved velocity and flat trajectory. Mfg: Remington
  6. High Velocity Ammo 22 Long Rifle 40gr Copper Plated Round Nose - 22 Long Rifle 40gr Copper Plated Ro
    Item#:
    105-000-302  
    Our Price:
    $39.99
    List Price: $59.99
    Description:
    Rimfire cartridges made by CI of Mexico. High velocity with non-corosive primers and smokeless powder. Brass cased and copper plated bullets. Each brick contains 500 rounds of rimfire ammuntion, 10 Individual 50 round boxes. Mfg: Ci Ammunition

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Shopping for Quad Rail Upper? Count on Brownells.com to provide the best selection and prices every day. With 132 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!