KIDD Innovative Design has produced a machined from billet aluminum v-block with installation screws ready to hold your slip fit barrel securely onto your 10/22 receiver. Slightly longer than the factory v-block to give an increased bedding surface. Also, the v-block has more support for the v-block screws for increased stability in your rifle. FEATURES: V-Block for the 10/22 receiver Slightly longer for increased stability More support for the screws Not compatible with the following barrel makers due to their smaller than factory v-block slot in their barrel: Green Mountain 10/22 barrels Adams and Bennett 10/22 barrels Packaging Include Mfg: Kidd Innovative Design