HK 94, MP5/SP5 9mm Magazines with Dual Clamp, 30 Rd

Selling the (4) magazines and (1) clamp shown. All items are genuine HK factory parts that I have owned for 38 years (Date code IG). The (4) mags are black steel and hold 30 rounds each. The mag clamp or coupler connects two mags. All parts are mint, never used, and have zero rust