The bolt protector has been designed to house the bolt and automatically release the pressure from the spring when inserted. It also protects the bolt from dust/dirt, knocks, falls and is an excellent accessory for storage and transportation of your rifle. It is a must have for every shooter, as many laws now require the bolt to be transported and stored separate from the rifle. Features Made from plastic, so it doesn't damage the bolt in any way. Releases pressure on the spring - promoting longevity - maintaining consistency in spring pressure. Keeps bolt protected from dust and dirt....