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RSR Stock #: SMCSKO-12
Manufacturer Part #: SKO-12
UPC: 866281000388

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Standard Manufacturing Company, SKO-12, Semi-automatic, 12Ga, 18.5" Barrel, Black Finish, Adjustable Stock, Includes 1-5Rd Magazine


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


"GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H.  Neither RSR Group, Inc. nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H.  The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components.  For genuine GLOCK, Inc. and GLOCK Ges.m.b.H. products and parts visit

  • Tru-Choke Thread Pattern
  • Chambered for 2 3/4" or 3" Shells
  • Gas Operated Semi-Automatic
  • Ambidextrous Safety

Product 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. It possesses the most reliable gas operated system available with smooth and flawless operation across a variety of loads.