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RADICAL FIREARMS .300 BLKOUT 16" UPPER W/ 12" FGS RAIL

The Radical Firearms 16" .300 Blkout 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. 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 Group and Charging Handle are additional and are offered above at a discounted price.

  • 16" HBAR Melonite Barrel
  • 4150V Chrome Moly
  • 1 in 8" twist
  • HPT/MPI
  • 5.56 NATO Chamber
  • M4 Feed ramps
  • Low Profile Micro Gas Block
  • DGI Stainless Pistol-length gas tube
  • Direct Gas Impingement
  • Mil-Spec A2 Flash Hider
  • 12" Radical Firearms FGS (Forward Guard Shield) Round Rail
  • Top Picatinny Rail
  • Rail Allows for the use of Magpul MOE attachments
  • Forged Upper Receiver with Forward Assist, Shell Deflector
  • Made in Houston, Texas U.S.A.!

Our Price: $269.99
Sale Price: $239.99
Savings: $30.00
AR15 .300 BLKOUT 16" UPPER W/ 10" SLANT NOSE KEYMOD RAIL


BCA .300 BLKOUT 16" Upper w/ 10" Slant Nose KeyMod Rail: Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are made by Anderson Manufacturing and have been very accurate. The 10" Slant Nose Keymod Rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper plus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $299.99
Sale Price: $269.99
Savings: $30.00
AR15 .300 BLKOUT 11" UPPER W/ 7" SLANT NOSE KEYMOD RAIL


BCA .300 Blackout 11" Upper w/ 7" Slant Nose KeyMod Rail: Comes with an 11" black nitride barrel 1:8 twist w/ pistol gas system. These barrels have been both durable and very accurate. The 7" keymod rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper plus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $319.99
Sale Price: $269.99
Savings: $50.00
AR15 .300 BLKOUT 11" UPPER W/ 10" QUAD RAIL


BCA .300 BLKOUT 11" Upper w/ 10" Quad Rail: Comes with an 11" black nitride barrel 1:8 twist w/ pistol gas system. These barrels are both durable and accurate. The 10" Quad Rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper plus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $289.99
Sale Price: $269.99
Savings: $20.00
AR15 .300 BLKOUT 8" UPPER W/ 7" QUAD RAIL


BCA .300 BLKOUT 8" Upper w/ 7" Quad Rail: Comes with an 8" black nitride barrel 1:8 twist w/ pistol gas system. These barrels have been both durable and very accurate. The 7" quad rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper p
lus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $289.99
Sale Price: $269.99
Savings: $20.00
AR15 .300 BLKOUT 16" UPPER W/ 10" QUAD RAIL


BCA .300 BlkOut 16" Upper w/ 10" Quad Rail: Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are made by Anderson Manufacturing and have been very accurate. The 10" quad rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper p
lus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $289.99
Sale Price: $269.99
Savings: $20.00
AR15 .300 BLKOUT 16" UPPER W/ 12" QUAD RAIL


BCA .300 BLKOUT 16" Upper w/ 12" Quad Rail: Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are made by Anderson Manufacturing and have been very accurate. The 12" Quad Rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper p
lus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $289.99
Sale Price: $269.99
Savings: $20.00
AR15 .300 BLKOUT 11" UPPER W/ 10" KEYMOD RAIL


BCA .300 BLKOUT 11" Upper w/ 10" KeyMod Rail:
Comes with an 11" black nitride barrel 1:8 twist w/ pistol gas system. These barrels have been both durable and very accurate. The 10"keymod rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper plus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $319.99
Sale Price: $279.99
Savings: $40.00
AR15 .300 BLKOUT 16" UPPER W/ 15" KEYMOD RAIL


BCA .300 BLKOUT 16" Upper w/ 15" KeyMod Rail: Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are made by Anderson Manufacturing and have been very accurate. The 15" keymod rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper plus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $339.99
Sale Price: $289.99
Savings: $50.00
AR15 .300 BLKOUT 16" UPPER W/ 12" KEYMOD RAIL


BCA .300 BLKOUT 16" Upper w/ 12" KeyMod Rail: Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are made by Anderson Manufacturing and have been very accurate. The 12"keymod rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper p
lus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $329.99
Sale Price: $289.99
Savings: $40.00
AR15 .300 BLKOUT 8" UPPER W/ 7" KEYMOD RAIL


BCA .300 BLKOUT 8" Upper w/ 7"KeyMod Rail: Comes with an 8" black nitride barrel 1:8 twist w/ pistol gas system. These barrels have been both durable and very accurate. The 7" keymod rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper p
lus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $319.99
Sale Price: $289.99
Savings: $30.00
AR15 .300 BLKOUT 16" UPPER W/ 10" KEYMOD RAIL


BCA .300 BLKOUT 16" Upper w/ 10" KeyMod Rail:
Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are made by Anderson Manufacturing and have been very accurate. The 10 "keymod rail is from Gun Tech USA. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper plus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

Our Price: $319.99
Sale Price: $289.99
Savings: $30.00
RADICAL FIREARMS .300 BLKOUT 16" UPPER W/ 15" FHR RAIL

The Radical Firearms 16" HBAR Radical 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. 16" HBAR Profile Barrel and A2 Flash Hider. Bolt Carrier Group and Charging Handle are additional and are offered above at a discounted price.

  • 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 loads)
  • Direct Gas Impingement
  • Mil-Spec A2 Flash Hider
  • 15" Free Float FHR Radical Firearms Rail
  • Integral Hybrid Keymod and Picatinny Rail for Mounting Lights, Lasers, Bipods & Sights
  • Forged Upper Receiver with Forward Assist, Shell Deflector
  • Our Price: $359.99
    AR15 .300 BLKOUT 8" UPPER W/ 7" SEEKINS KEYMOD RAIL


    BCA .300 BLKOUT 8" Upper w/ 7" Seekins KeyMod Rail:
    Comes with an 8" black nitride barrel 1:8 twist w/ pistol gas system. These barrels have been both durrable and accurate. The 7" keymod rail is from Seekins Precision. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them.
    This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper p
    lus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

    Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

    WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

    Our Price: $389.99
    Sale Price: $379.99
    Savings: $10.00
    AR15 .300 BLKOUT 16" UPPER W/ 15" UTG FDE PRO RAIL


    BCA .300 BLKOUT 16" Upper w/ 15" UTG FDE PRO Rail: Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are made by Anderson Manufacturing and have been very accurate. The 15" FDE Pro rail is from UTG. Built with an Anderson upper receiver. We test fire all of our uppers to assure proper function and headspace. Not to mention we stand behind the uppers. So if you have any problems we will work with you to solve them. This upper is sold w/o the BCG & CH. Although we do carry several different Bolt Carriers and Charge Handles to complete your upper. To do this you would simply select which BCG & CH you want to be shipped with your upper plus you will save money buying them together. We do offer custom builds as well!! However you would have to call us for product availability and a quote. Need magazines?? Check out our magazine section and add some to your cart before you check out.

    Please note most of our uppers are currently in stock and usually ship out within 24hrs of purchase. However due to high demand for these products we might have to build and test fire your upper the week of your order. We ask that you be patient this could take an additional 5-7 business days to complete and ship. If you're worried about lead time please call us for updated inventory.

    WARNING!! If you use reloaded ammunition with upper and lower assemblies all warranties and returns are null in void.

    Our Price: $399.99
    Sale Price: $379.99
    Savings: $20.00