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Upper Receiver – Side Cocking With Barrel for the M10/9 or 45

We are sorry this item is out of stock. We are always manufacturing our products and do our best to maintain adequate inventory levels. But in all things in life "the squeaky wheel gets the grease" so we have either just ran out of this item, or it's waiting it's turn on the priority list. If you would like to be added to a list of people to contact when this item is back in stock, please contact us at: 410-404-0320 or




This is our M10 side cocking upper receiver. It will come with either 1/4 (shown) or 1/2 inch rail. There will be a $25.00 charge for the 1/4 rail due to additional machine time.  This product is just the upper and barrel with no bolt.  This item is a special order item, please allow at least two weeks for shipping.

Additional information



Rail Height