Get hours of practice with your AR without spending a lot of money on ammunition with the Core15 .22LR Upper. It installs easily on your standard AR so you can practice exactly how you would shoot your 5.56/.223 AR, but using the .22 Long Rifle round.

Specification and Features:
CORE15 Mil-Spec forged 7075-T6 M-4 upper receiver
Dedicated 16" .22 long rifle barrel 1:16 twist
Nickel boron coated dedicated .22 Long Rifle bolt carrier group
M-4 Style thermoset molded polymer hand guards with dual heat shields
A Frame front sight base (Forged)
CORE15 Hardcore V.1 charging handle
(1) Black Dog Machine 26 round magazine