AA-12 vs Winchester Model 101

1996–Present

1963–present

~10,000 estimated

965 mm (38 in) with stock extended; 820 mm (32.3 in) collapsed

1143 mm

457 mm (18 in) standard; 381 mm (15 in) compact variant

711 mm

5.5 kg (12.1 lb) empty

3.2 kg (7.0 lb)

20‑round drum standard, 8‑round box, optional 30‑round drum

2 rounds

Gas‑operated, closed‑bolt, rotating bolt with recoil‑mitigation buffer

Break-action

Select‑fire trigger with Safe, Semi‑auto, and Full‑auto modes

Single-stage

Fixed iron sights (rear notch, front bead) with Picatinny rail for optics

Fiber optic