Knight's Armament Corp. "KAC" SR-15 LOWER RECEIVER STRIPPED
If you're in the market for a genuine, Stoner-style AR-15 rifle build, then one of the best starting points from one of the most respected AR-15 manufacturers in America is the Knight's Armament SR-15 Stripped Lower Receiver.
Milled to military specifications, the Knight's Armament SR-15 Stripped Lower Receiver is a ready-made foundation for any AR build, since it's designed to accept all standard mil-spec lower parts kits. The lower is machined from battle-proven 7075-T6 aluminum and is treated with a Type 3 hard-anodized finish.
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Clean machining,finishing, ease of assembly. KAC SR-15 is the lower that truly deserves only the best quality of parts in it's buildup. Save the cheap garbage for the poverty ponies! PS: The lower receiver is going to be the cheapest part of this project.