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: Ultimate
ULTIM034
Steel Spring Guide with Bearing by ASG ULTIMATE in black. Designed for V2 gearbox (M4, MK18, HK416 and others). Durable steel construction suitable for high-power springs. Integrated bearing and rotating base for smooth operation and reduced friction. Improves rate of fire and gearbox smoothness.
6712
Universal spring guide is designed entirely for CNC Retro ARMS gearboxes. It is made at CNC machining center fromEN AW 7075 aluminium. Spring guide is equipped with bearing which avoids spring distorting.
: MAXX
MX-SPG001S3
CNC spring guide with bearing from the company MAXX Model designed for gearboxes ver. 2, made of stainless steel and aluminum.
: MAXX
MX-SPG001S1
CNC Stainless Steel/Aluminum Spring Guide Thru-Hole is specifically designed for Bolt Recoil Shock System (BRSS) to keep the spring in line and allow the spring to rotate on shaft during high compression.v
SPARMS206
Made of durable polymer a ball bearing spring guide designed to work with gearboxes equipped with the quick QD spring change system.