Home > AR-15 > UPPER ASSEMBLIES > .300 BLKOUT
Sort By:
Page of 1
AR15 .300 BLKOUT 10.5" UPPER W/ 10" QUAD RAIL AR15 .300 BLKOUT 10.5" UPPER W/ 10" QUAD RAIL


BCA .300 BLKOUT 10.5" Upper w/ 10" Quad Rail: Comes with either a 10.5" black nitride or phosphate barrel 1:8 twist w/ pistol gas system. These barrels are 100% made in the USA and are very reliable and accurate. The 10" quad rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $229.99
AR15 .300 BLKOUT 8" UPPER W/ 7" QUAD RAIL 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 are 100% made in the USA and are very reliable and accurate. The 7" quad rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $229.99
AR15 .300 BLKOUT 16" UPPER W/ 10" QUAD RAIL 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 100% made in the USA and are very reliable and accurate. The 10" quad rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $229.99
AR15 .300 BLKOUT 16" UPPER W/ 12" QUAD RAIL 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 100% made in the USA and are very reliable and accurate. The 12" quad rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $229.99
AR15 .300 BLKOUT 16" UPPER W/ 10" SLANT NOSE KEYMOD RAIL 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 100% made in the USA and are very reliable and accurate. The 10" slanted keymod rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $239.99
AR15 .300 BLKOUT 10.5" UPPER W/ 10" RD KEYMOD RAIL AR15 .300 BLKOUT 10.5" UPPER W/ 10" RD KEYMOD RAIL


BCA .300 BLKOUT 10.5" Upper w/ 10" KeyMod Rail:
Comes with an 10.5" phosphate heavy barrel 1:8 twist w/ pistol gas system. These barrels are 100% made in the USA and are very reliable and accurate. The 10" keymod rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $239.99
AR15 .300 BLKOUT 16" UPPER W/ 10" RD KEYMOD RAIL AR15 .300 BLKOUT 16" UPPER W/ 10" RD KEYMOD RAIL


BCA .300 BLKOUT 16" Upper w/ 10" Rd KeyMod Rail:
Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are 100% made in the USA and are very reliable and accurate. The 10" keymod rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $239.99
AR15 .300 BLKOUT 10.5" UPPER W/ 7" SLANT NOSE KEYMOD RAIL AR15 .300 BLKOUT 10.5" UPPER W/ 7" SLANT NOSE KEYMOD RAIL


BCA .300 Blackout 10.5" Upper w/ 7" Slant Nose KeyMod Rail: Comes with either a black nitride or phosphate 10.5" barrel 1:8 twist w/ pistol gas system. These barrels are 100% made in the USA and are very reliable and accurate. The 7" keymod rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $239.99
AR15 .300 BLKOUT 16" UPPER W/ 15" KEYMOD RAIL 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 100% made in the USA and are very reliable and accurate. The 15" keymod rail has a slim profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $259.99
AR15 AR15 .300 BLKOUT 16" UPPER W/ 12" KEYMOD RAIL AR15 AR15 .300 BLKOUT 16" UPPER W/ 12" KEYMOD RAIL


BCA .300 BLKOUT 16" Upper w/ 12" Rd KeyMod Rail:
Comes with an 16" mag phos barrel 1:8 twist w/ pistol gas system. These barrels are 100% made in the USA and are very reliable and accurate. The 12" keymod rail is a slim profile rail. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $259.99
AR15 .300 BLKOUT 8" UPPER W/ 7" KEYMOD RAIL AR15 .300 BLKOUT 8" UPPER W/ 7" KEYMOD RAIL


BCA .300 BLKOUT 8" Upper w/ 7"KeyMod Rail: Comes with an 8" black nitride or phosphate barrel 1:8 twist w/ pistol gas system.
These barrels are 100% made in the USA and are very reliable and accurate. The 7" keymod rail has a slim profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $259.99
AR15 .300 BLKOUT 8" UPPER W/ 7" SEEKINS KEYMOD RAIL 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 or phosphate barrel 1:8 twist w/ pistol gas system. These barrels are 100% made in the USA and are very reliable and accurate. The 7" Seekins keymod rail has a round profile. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $369.99
AR15 .300 BLKOUT 16" UPPER W/ 15" UTG FDE PRO RAIL 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 100% made in the USA and are very reliable and accurate. The 15" UTG pro rail has a slim profile and comes with accessory rails. Built with a US forged upper receiver like Anderson, Aero Precision etc.. depending on what we have in stock. We test fire all of our uppers to assure proper function and reliability. Not to mention we stand behind our builds and 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, because our stock fluctuates frequently we ask that you be patient and please allow 5-10 business days to build, test fire, and ship your upper. 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: $379.99