B5 Systems SOP1422 Enhanced SOPMOD Black Multi-Cam Synthetic for AR-Platform with Mil-Spec Receiver Extension (Tube Not Included) Knives The mat is also great

The mat is also great for precision work

As a utility knife

Lyman's Outside Chamfer Tool easily deburrs the outside case mouth to leave a smooth even finish

Fits Sig Sauer P365 9mm pistol

B5 Systems SOP1422 Enhanced SOPMOD Black Multi-Cam Synthetic for AR-Platform with Mil-Spec Receiver Extension (Tube Not Included) Knives The mat is also greatThe Enhanced SOPMOD features ergonomic cheek weld, color matched steel hardware, overmolded steel anti rotational QD sling mounts, fixed sling mounts, no slip cushioned butt pad, sure grip stock latch, and dual storage compartments. The Enhanced SOPMOD is made of Mil spec materials and finishes, and is offered in standard B5 Systems color options. The Enhanced SOPMOD fits all Mil spec AR 15 receiver extensions.