High Capacity Upper Receivers & Conversion Kits
Gun Conversion Kits and Upper Receivers
Huge selection of conversion kits and upper receivers available for AR-15, M4s, and other assault rifles and firearms. The biggest names and brands all under one roof at the cheapest price. Buy an upper receiver or conversion kit and have it shipped to you or picked up at our shop in Buffalo, Mn. Whether you're building a new gun or replacing parts, you can trust that the best place to buy your conversion kits or upper receivers is Click-Click-Boom gun shop.
Lowest prices on all upper receivers and conversion kits including kits for AR Rifles, upper receivers for M4s and more.
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