This is one of the most compact 50 round magazines ever produced for the AR-15. The X-15 is engineered around the proven coil magazine technology which allows side by side staging of ammunition in a single stack. Because of the tension relief device, the X-15 can operate for an almost unlimited number of spring loads and can even perform in weapons with capabilities of up to 1100 rounds per minute. The streamlined design allows for zero separation of the ammunition during operation which prevents malfunctions and allows for an exceptionally compact profile. The X-15 is shorter than a standard 30 round magazine and three inches shorter than a quad stack magazine. The user friendly ergonomics and ability to use a sling make this magazine ideal for 3-gun competitors. Manufactured of the highest grade materials which give it unparalleled reliability and strength. The critical components of the mechanism are coated in Cerakote for friction reduction and proven reliability without the need for lubrication.

Fits most M16/AR-15 rifles, Bushmaster ACR and Stanag rifles with improved M4 feed ramps . Variants of this versatile magazine work in 5.56×45/.223 and most 300 AAC Blackout*.
May require modification to work in Robinson Arms XCR, and the SCAR 16. Will not work in IMI Tavor .
No tools necessary to load or operate .
Manufactured in the USA.
Lifetime Warranty through X Products.
*300 AAC Blackout will work in the drums but due to them being designed around a 62 gr 5.56 cartridge, it is generally best to stick to the 208 gr and down 300 BLK. 220 gr will work but causes added stress on the internals. Soft Point and hollow point munitions are not recommended for use with the drum.

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It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

It is the customer’s responsibility for understanding state laws regarding magazine capacities. Palmetto State Armory abides by all state regulations regarding the sale of high capacity magazines. We DO NOT ship high-capacity magazines with firearms to certain states. We WILL NOT replace high capacity magazines with state compliant magazines. We DO NOT offer refunds in place of the magazines. Please see our terms and conditions for a list or restricted states.

California 10+ Round Magazine Buyers: PSA values your freedom and constitutional rights above all else. However, PSA will not accept new orders nor will ship any order until the Ninth Circuit Federal Court of Appeals mandate becomes finalized. Once this mandate is finalized, we will start accepting new orders and ship 10+ round magazines to California Customers.