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Only the items listed as "Gunbroker" or "GB" are in the physical store. The rest of the items from the menu are at the warehouse. Items not in store inventory take about two 3 days to get in.

If you have questions please call. All ammo listed in stock is in store and ready to ship.

Sylvan Arms

Sylvan Arms SYL GCB100

Product Code : 852237007907


Mfg Item #: GCB100

Available Online
Secure online ordering

The Sylvan Arms 9mm Glock Conversion Block converts your AR-15 lower to a 9mm Lower using Glock magazines. - Our Glock Conversion Block is built to handle any standard mil spec lowers with most 9mm uppers. - Works with Glock 17 and Glock 19 magazines. - Built of 60601 aircraft grade aluminum. - 100% satisfaction guarantee. - limited lifetime warranty - Designed built and assembled in the USA.

Determined at checkout.