FN MAG / M240 vs M2 Browning

1958–present

1933–Present

Over 200,000

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

1,263mm (49.7 in)

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

630mm (24.8 in) standard

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

12.5 kg (27.6 lb) M240B with bipod

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

M13 disintegrating link belt, typically 50 or 100 rounds

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

Gas-operated, open bolt

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

Full auto only

Single‑stage, mechanically simple trigger with manual safety lever

Adjustable iron sights, Picatinny rail for optics

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