You searched for "usp"

Firing pin for SP5 and SP5K

Complete end cap for SP5K

Spare magazine for the SP5 pistols and MP5 (see below for full list)

10 round magazine for SP5/SP5K

Picatinny rail mount for SP5 and SP5K Pistol. Made from aluminum. (See below)

Complete receiver cap for SP5K

HK factory stock, found on all HK German MP5K's or PDW's. Each stock is marked HK and uses the HK German backplate/buffer factory assembly. Overall Length is 10.5"

Ejector for MP5 and SP5

15 round magazine for SP5/SP5K

Magazine catch spring for SP5/SP5K

Rear sight screw for SP5/SP5K

SP5/SP5K holder for locking roller. Unfinished steel

Picatinny rail mount for SP5 and SP5K Pistol. Made from aluminum.