This compact 4 oz cleaning soaker is filled with a powerful solution formulated to break down stubborn carbon, powder, and fouling from small parts like breech plugs, nipples, springs, pins, and other intricate firearm components. The included lift-out strainer basket makes it easy to soak and retrieve parts without mess, while the reusable design lets you use it again and again as part of your regular maintenance routine. A simple, effective way to keep hard-to-reach pieces clean and prolong the life of your gear.