AT3(TM) FU-BAG(TM) AR-15 Lost Parts Kit - Springs, Detents, Replacement Components - Single (Quantity: Single)

Made an "Oops" with your New Build? You Detent-Launchin', Spring-Losin' Fool, you. We've all been there. Whether it's rolling the dice on that bargain bin LPK in your local gun shop, launching a detent across the garage, or losing a spring to the shag carpet in mom's basement, you're missing a part or two. The [...]