Glock Conversion Blocks

Sylvan Arms

Sylvan Arms AR-15 Conversion Block FITS Glock

*CONTACT US FOR A SPECIAL COUPON CODE!* The Sylvan Arms 9mm 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...