Glock 17 vs Shadow Systems DR920

1982–Present

2019–Present

12,000,000+ units (estimated worldwide across all generations and variants)

~100,000+ estimated (all variants combined)

204 mm (8.03 in)

203 mm (8.0 in) standard; 229 mm (9.0 in) with compensator

114 mm (4.49 in)

114 mm (4.5 in) standard; 137 mm (5.4 in) with compensator (DR920 Elite)

625 g (1.38 lb) empty, 905 g (1.99 lb) loaded

680 g (24.0 oz) empty, standard model; 765 g (27.0 oz) with compensator

17 rounds standard; 19, 24, 31, 33, 45 round options available

17 rounds standard (flush fit); 19 and 33 round magazines available (Glock 17 compatible)

Short recoil, locked breech, striker-fired with Safe Action trigger system (trigger safety, firing pin safety, drop safety)

Striker-fired, semi-automatic, recoil-operated, Browning-type locking system

Consistent ~2.5 kg (5.5 lb) pull, single‑stage Safe Action trigger

Flat-faced trigger with safety blade; 4.5–5.5 lb (2.0–2.5 kg) factory trigger pull; short reset

Fixed polymer front post, fixed polymer rear notch; optional tritium night sights or aftermarket rail‑mounted optics

Steel suppressor-height tritium night sights (rear serrated, front with white dot); optic-ready slide cut (RMSc pattern)