Sko 12 works package. And even has bolt hold open after last round. Standard Manufacturing SKO Works Package, 12 gauge Description: Standard Manufacturing’s SKO shotgun, proudly made in the USA, offers superior firepower due to its fast semi-auto action and quick interchange magazines. The SKO Shotgun - Fully Loaded! SKO-12 WORKS PACKAGE: https://stdgun. Standard Manufacturing’s SKO shotgun, proudly made in the USA, offers superior firepower due to its fast semi-auto action and quick interchange magazines. Comes with FULL WARRANTY just as a new gun! Standard Manufacturing’s SKO shotgun, proudly made in the USA, offers superior firepower due to its fast semi-auto action and quick interchange magazines. The SKO-12 by Standard Manufacturing of New Britain, CT is a semi automatic 12 bore shotgun with a similar design to the AR platform. The demand of new SKO 12 WORKS PACKAGE shotgun's has not changed over the past 12 months. It possesses the most reliable gas STANDARD MANUFACTURING SKO 12 WORKS PACKAGE New and Used For Sale - There are currently 6 In Stock from 2224 Dealer Stores. 00! This is one of our SHOWROOM pieces. The SKO-12 by Standard Manufacturing of New Britain, CT is a semi-automatic 12 bore shotgun with a similar design to the AR platform. furkqw vqvgvs ysmtk csimxrd xcshe tlkih katpc vtdsgko auoo tmvwhs