Muzzle Press Nut- By Requiem Tools

Never use a penny or anything else again to press your barrel!

Sleeve and removable and adjustable brass insert.

Sits the brass flat against the muzzle and distributes the weight and surface area evenly.

Has multiple uses;

Muzzle press nut

Muzzle/thread protector

Storage

Protection when sandblasting

and much, much more.