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OUT OF STOCK
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OUT OF STOCK
Complete 16" .223/5.56/300BLK AR-15 80% Build Kit
$730.99 - $768.98 -
OUT OF STOCK
Complete 16" 7.62X39 AR-15 80% Build Kit
$631.99 - $744.98 -
OUT OF STOCK
Complete 10.5" 5.56/300BLK AR-15 Pistol 80% Build Kit
$655.99 - $698.97
AR 15 Build Kits
WHAT IS AN AR-15 BUILD KIT?
The AR-15 rifle build kit includes absolutely everything that you need for completing an AR-15 style rifle. Choose your rifle length, desired caliber (5.56/300BLK), and customize to your heart’s content! This takes all the parts hunting out of building a new rifle from an 80% lower. This way you get an entire AR-15 build shipped to your door, and all that is left for you to do is mill out and assemble the lower receiver.
Can't figure out which caliber you want to go with? Check out our blog on 5.56 vs 300 Blackout?
WHY CHOOSE AN AR-15 BUILD KIT?
For those not comfortable installing all the AR-15 components together themselves, our in-house Armorer will do it for you!
With 80 Percent Arms build kits we guarantee these parts’ compatibility with each other and you get to fully customize your AR-15 rifle build, interchangeably selecting high quality parts with just a click of a button. Instead of hunting down these parts separately, save your time and money by designing a complete rifle at our one-stop shop.