AR-15 & LR-308/AR-10 80% Upper Build Kits
80% Upper Build Kits are a great build option for those that love DIY.
These kits come with an 80% lower receiver, upper receiver, barrel, gas tube, gas block, handguard, muzzle device, brace or stock, buffer tube kit, and a lower parts kit (LPK). LPKs come with all the small parts to complete the lower.
These kits do not come with a charging handle or BCG (Bolt Carrier Group). To add these, shop our BCG and Charging Handle combos here.