ULTIMATE M135 Spring - Red Brand_Krytac 26 round magazine for the

26 round magazine for the  STI 1911 M

As this is a Marui pistol

Magnetic Charger included: Compact (45mm x 15mm x 11

The rig is fitted with D-Ring attachments and sliding adjusters for retention

Standard on/off switch on the right side of the body

ULTIMATE M135 Spring - Red Brand_Krytac 26 round magazine for theHigh quality spring from ULTIMATE. This is the Red M135 spring from ASG Military specification spring steel which means the best possible steel for springs. The calibration test has been carried out on 6. 03 300mm barrel. Zero hopup with 0. 20g BB's. Progressive coiling Provides a soft start which eases stress on both mechanical and electrical parts. Closed and grinded ends Stable straight ends minimizes side bending which reduce ROF loss. Pre