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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:
Also included in this rifle kit are an 80 percent lower receiver, a six-position stock with buffer, buffer tube, and spring, and a lower parts kit to complete your lower. Keep shopping our gun parts online to discover what else we have to offer among our selection of pistol and rifle parts.
*This is not a complete receiver and still requires machining to be done.