WBP Polish production boosters are ideal for AK pistols and SBR rifles. They are 100% made in Poland using industrial grade steel fully heat treated and machined. The purpose of a booster is the device has a chamber which adds additional back pressure, and increased reliability in short barrel platforms.
Unlike other boosters, these can be disassembled for cleaning, and also offer several detent notches to give the best fit possible.
Very well made. Fantastic fitment. Very good price. Fast shipping. Highly recommend this product.