Shipping Times: 2-3 days!
If you’re building your own rifle kit is a great option. The upper and lower receivers in this rifle kit are black hardcoat anodized. All AR-15 parts offered online at Thunder Tactical are machined to mil spec tolerances. Proper cycling is ensured because we test fire all fully assembled uppers. This AR-15 rifle kit for sale is great for the gunsmith looking for a little bit of a longer barrel. The AR-15 parts included in the assembled .223/5.56 upper include the following: