Arex Delta vs Mateba Autorevolver

2017–present

1995–2005

Unknown

~5,000 units estimated (hand‑assembled in limited batches)

180 mm

254 mm (10.0 in) with standard barrel

102 mm

152 mm (6.0 in) standard; 203 mm (8.0 in) optional long barrel

640 g (unloaded)

1.45 kg (3.2 lb) empty

15+1 or 17+1 rounds

6 rounds (standard cylinder)

short recoil

Short‑stroke recoil‑operated slide that moves barrel and cylinder forward to cock hammer and rotate cylinder; semi‑automatic operation with manual trigger pull for each shot

striker-fired

Single‑action trigger; hammer cocked by recoil system, providing a light, crisp pull

3-dot or optics-ready

Fixed rear notch and front blade; optional adjustable rear sight available on long‑barrel models