Geissele Automatics 051656S Super Modular Rail Mk4 DDC Aluminum 10.50" Long Blinds and Accessories Frame lock utilizes a thick

Frame lock utilizes a thick lock bar to secure the blade

use a more open choke tube for optimum patterning

Ground thin at the edge and honed to razor sharpness

These rings will fit short or long actions but are recommended for long actions

Its 3" blade is precision machined from premium CPM S30V particle metallurgy stainless steel and features a full-flat grind for a superior balance of strength

Geissele Automatics 051656S Super Modular Rail Mk4 DDC Aluminum 10.50" Long Blinds and Accessories Frame lock utilizes a thickThe Super Modular Rail (SMR) MK4 M LOK is Geisseles ultra lightweight M LOK option. These rails are purpose built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 oclock positions. Maximum venting for heat dissipation also dramatically reduces the rail's overall weight, while maintaining its same strong and rigid platform. Utilizing Magpul's M LOK technology at the 3, 6, and 9 o'clock positions, as well as