Manufactured in Broken Arrow, Oklahoma, the Quality Manufacturing auto-sear is pre-86 registered with no noted caliber, barrel length or overall length, with a note in the "Additional Description" field noting it as installed in the B item in this lot. The sear has been professionally installed in a trigger pack, and is set up in a "S/E/F" pattern trigger housing.

Originally manufactured in Germany in 1983 and imported by HK Inc of Arlington as an early production HK94 carbine, this arm was rebuilt by Vollmer Manufacturing of Bloomington, Illinois into a MP5 sear host sub-machine gun . Post front and drum rear sights, with a set of quick-detach lugs on the muzzle, a textured triangular forearm, "K714" and the MP5 nomenclature professionally added to the magazine well and the top of the receiver, along with the Vollmer mark concealed by the "S/E/F" marked grip assembly. Fitted with a 2-position telescoping buttstock. Magazine not included. With folding stock.