marineeternal20” Simunition 9mm AR15 upper receiver. This is a complete Simunition M16A1 20” upper receiver. Numerous uses: convert your rifle to a less lethal training rifle, convert your rifle to safely demonstrate in a classroom setting, or convert your rifle to show your friends something they don’t have. Complete with bolt and charging handle. Fires 9mm FX ammunition. Please note this is for a “large pin” Colt lower receiver, so you will need to purchase offset adapter bushing/pins if you intend to put it on a standard lower. Asking $250 plus actual shipping. I have 4 of these and am willing to make a package deal if someone wants all 4.
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