ASAI One Pro 45

The One-Pro 45 (stylized as onepro.45 or one PRO.45^[2]) is a semi-automatic pistol chambered in .45 ACP (with some variants in .400 Cor-Bon) and manufactured in Wettingen, (previously Solothurn^[3]) Switzerland.^[4] It was at one time imported into the United States by Magnum Research and into Italy by ALGIMEC.

One Pro 45, onepro.45, one PRO.45
ASAI One Pro
Type	Semi-automatic pistol
Place of origin	Switzerland
Production history
Manufacturer	ASAI AG
Specifications
Mass	1,100 g (39 oz) (unloaded steel frame) 830 g (29 oz) (unloaded alloy frame)[1]
Length	179 mm (7.0 in) 199 mm (7.8 in) (IPSC model)[1]
Barrel length	95 mm (3.7 in) 115 mm (4.5 in) (IPSC model)[1]
Width	32 mm (1.3 in)[1]
Height	135 mm (5.3 in)[1]
Cartridge	.45 ACP[1] .400 Cor-Bon
Feed system	10-round detachable magazine[1]