Product Details
                            Receiver shelf for your HK semi-auto build. 
U.S. made by LSC.  These are the billeted or milled version from LSC.
This shelf is correct for all HK91/G3/PTR91, HK93/53/33, HK94/MP5, MP5K/SP89/SP5K, HK21, CETME and most other semi auto HK style weapons.