Heckler & Koch G28 vs M110A1 SDMR

2012–present

2018–present

Unknown

Over 6,000 (US Army contract)

965mm (38 in) Patrol

940 mm (37 in) with stock collapsed

421mm (16.5 in) Patrol, 530mm (20.9 in) Standard

420 mm (16.5 in)

5.15 kg (11.4 lb) Patrol, 5.8 kg (12.8 lb) Standard

4.5 kg (9.9 lb) unloaded with optic

10 or 20 rounds

20-round detachable box

Gas-operated, short-stroke piston, rotating bolt

Gas-operated, short-stroke piston, rotating bolt

Adjustable two-stage, 2-2.5 kg (4.5-5.5 lb)

Two-stage match trigger

Schmidt & Bender 3-20×50 PM II scope, Aimpoint T-2 backup red dot

SIG Sauer TANGO6 1-6x24, backup iron sights