STI DUTY ONE | 4.5MM | BLOWBACK

This Blowback version DUTY ONE is fully licensed by the famous high-end arms manufacturer STI® International, based in Texas, USA.

The 4.5mm (.177) steel BBs are stored in the drop-out magazine and powered by a 12g CO2 cartridge which is cleverly kept away in the pistol grip thanks to the easy load system.

The airgun is a semi-automatic and based on the classic model 1911 but STI® has upgraded and changed the design and many of the functions.

The frame has an integrated front weaver rail for mounting light and laser. The grip is marked with an STI® logo and the high-rise beaver-tail grip, secures a perfect hold on the pistol. Furthermore, the pistol has unique serial number. The metal slide has beautiful authentic STI® markings.

Features

Barrel threaded for silencer.
Blowback.
Accessory rail.
Metal slide.

Key Specifications:

Model / SKU: STI Duty One — 16732
Category: Airgun / Replica (SportLine, licensed STI International)
Caliber: 0.177 / 4.5 mm (steel BB)
Energy: ≈ 2.56 J
Velocity: 121 m/s (≈ 397 fps)
Power source: 12 g CO₂ (grip-stored)
Action: Blow-back; semi-automatic
Magazine capacity: 20 rounds (drop-out magazine)
Barrel length: 115 mm (≈ 4.5 in)
Weight: 825 g (1.82 lbs)

STI Duty One | Blowback