Inventory Update

Our web store is up and running and we are continually adding products as we finish assembly. Stock Adapters are now in stock and available to purchase through
 Rainier Arms, Click HERE. We have complete takedown upper receivers in stock and available through Rainier Arms! Click HERE to buy now!! We have a few complete 9mm Rellim Arms takedowns in stock as well as extra stock adapter mount backs and stock adapter kits available here! If you are interested in a custom barrel length, caliber, or anything else custom, contact us directly as we will be offering several different configurations.

Rellim Arms Complete 16" Upper receiver, with the New Rainier Arms 15" Urban Combat, M-LOK, low profile rail and Rainier/Rellim Arms Ambidextrous charging In Stock and available through Rainier Arms website! Click Here to purchase!

BUY 16" Complete Upper

If you are interested in one of our other takedown pistol kits not listed, please email us at 

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