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Complete uppers are helpful for those that are looking to swap to a new caliber on their AR-15 or AR-10 quickly. If you currently own an AR-15 platform that shoots 5.56NATO, you can simply buy a .300 Blackout complete upper and attach it to your AR-15 complete lower. Same with an AR-10 that currently shoots a .308 WIN. Buy a new 6.5 Creedmoor complete upper and attach to your AR-10 lower.
- AR AK Parts, Complete Uppers, Gun Parts, Upper Parts
IFC .410 Shotshell AR-15 Complete Upper Receiver Assembly 18.5″ Barrel 2-1/2″ Chamber Flip-Up Sights Quadrail Black
$499.99Convert your AR-15 platform rifle into versatile .410 Bore Shotgun with an Iron Armi Complete Upper Receiver Assembly from International Firearm Corporation! Starting with a flattop upper, they installed…
- AR AK Parts, AR/AK Barrels, Complete Uppers, Gun Parts, Upper Parts, Upper Receivers
Alexander Arms AR-15 Upper Receiver Kit .50 Beowulf 16.5″ Threaded Barrel with BCG Black
$869.99The .50 Beowulf Upper Receiver Kit is exactly what you expect from a fantastic company like Alexander Arms! Built on their standard specification upper receiver, the 16.5″ barrel has…
- AR AK Parts, AR/AK Barrels, Complete Uppers, Gun Parts, Upper Parts, Upper Receivers
Del-Ton AR-15 Complete Mid-Length Upper Assembly 16″ 5.56 NATO 1:9 Twist Black DT1023
$469.99Del-Ton complete upper offers a 1 in 9″ twist, 16″ heavy chrome moly barrel, flat top upper, complete bolt carrier and assembly, charging handle, mid length handguards with single…
