WARNE Remington 700 554 Extension Base Collet has been placed on the

has been placed on the upper part of the tube

GLOCK MARKSMAN BARREL (GMB)

Accepts all standard 7/8"x14 dies and standard shell holders

Designed specifically for use with Master Gun Vise

WARNE Remington 700 554 Extension Base Collet has been placed on theWith the variety of optics on the market nowadays and different eye reliefs, getting that perfect eye relief on some optics can be very difficult. You may need to move the front scope ring back to achieve the eye relief to get a consistent check weld. The Warne Maxima front base steel extension base may help you get there. Determine how far back you need to move it to see if the . 554" base extension will solve your problem. We also make a . 854"