Heckler & Koch HK91/G3/PTR91 Stock and Trigger Pack Assembly
This HK91/G3/PTR91 pattern set includes a fixed buttstock assembly and a complete trigger pack/lower with pistol grip and selector. It is a straightforward replacement/parts set for HK roller-delayed .308-pattern rifles using the standard fixed stock interface.
Included components shown here are the fixed stock, recoil spring assembly, and the trigger pack/lower with selector markings 'S' and a red 'T' (as shown).