HK MP5SD vs M2 Browning

1974–present

1933–Present

Unknown

~1,000,000+ units (cumulative across all variants and manufacturers)

790mm (31.1 in) stock extended

1,651 mm (65 in) with stock, 1,219 mm (48 in) for tripod mount only

146mm (5.7 in) — ported, inside suppressor

45.7 cm (18 in) standard, 57.2 cm (22.5 in) for aircraft variants

3.5 kg (7.7 lb)

38.5 kg (84.9 lb) empty, 30.5 kg (67.3 lb) with tripod

15 or 30 rounds detachable

100‑round fabric belt standard, 50‑round drum (M2HB), 200‑round linked belt optional

Roller-delayed blowback, closed bolt

Short‑recoil, toggle‑locked, belt‑fed, open‑bolt operation

Selective fire (safe, semi, full auto or 3-round burst)

Single‑stage, mechanically simple trigger with manual safety lever

Hooded front post, adjustable diopter rear

Adjustable leaf rear sight (0–2,000 m) and front post; optional optical or night vision mounts