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Certain firearm magazines and extensions are subject to maximum capacity restrictions based on state and local laws. Currently, we are unable to sell these products to some locations. For a complete list of these restrictions, please visit our policy page.
By continuing with your purchase, you agree to adhere to all applicable laws and regulations.
Product Info for Heckler & Koch MR556 5.56mm, 20 Round Rifle Magazine
Compatible with AR-15 & M16 firearms. All steel & stainless construction, maritime coated & made to last a lifetime.
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