Heckler & Koch HK91 vs MPT 76 SH

1977–2000

2017–Present

~250,000 estimated

Limited production, exact numbers not publicly available

1,020 mm (40.2 in) with stock extended

920 mm (36.2 in) stock extended, 840 mm (33.1 in) stock collapsed

508 mm (20.0 in)

406 mm (16 in)

4.3 kg (9.5 lb) empty

3.7 kg (8.16 lbs) empty

20 rounds standard, 10‑round low‑profile magazines available for restricted markets

20 rounds standard, compatible with standard 7.62x51mm NATO magazines

Roller‑delayed blowback, closed bolt

Short-stroke gas piston, rotating bolt

Single‑stage semi‑automatic trigger with manual safety lever

Selective fire, single-stage

Adjustable rotary drum rear sight (100‑800 m) and hooded front post; optional telescopic sight mounting rail on receiver cover

Picatinny rail for mounting various optics; typically iron sights are backup