Barrett M82A1 vs M110A1 SDMR

1982–present

2018–present

Unknown

Over 6,000 (US Army contract)

1,448mm (57 in)

940 mm (37 in) with stock collapsed

737mm (29 in)

420 mm (16.5 in)

13.5 kg (29.7 lb)

4.5 kg (9.9 lb) unloaded with optic

10 rounds detachable

20-round detachable box

Recoil-operated, rotating bolt (semi-automatic)

Gas-operated, short-stroke piston, rotating bolt

Single-stage, adjustable

Two-stage match trigger

MIL-STD-1913 rail for optics, flip-up iron sights

SIG Sauer TANGO6 1-6x24, backup iron sights