Wild West Gun Shop

Standard Mfg. SKO-12 Semi-Auto 12ga. 18.6″ – Consignment


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Standard Mfg. SKO-12 Semi-Auto 12ga. 18.6″

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.
Machined from 7075 aircraft grade aluminum with the latest technology in CNC machining, then Mil-Spec hard anodized, the SKO Shorty is both lightweight and durable.  Internal components are salt bath nitride coated for optimum lubricity


  • Ambidextrous Safety
  • Familiar AR-style Controls
  • Internal Threading To Accept Variety Of Choke Tubes (Tru-Choke Pattern)
  • 18.6″ 4140 Steel Barrel
  • 2 3/4 – 3″ Chambering
  • Includes 5 Round Magazine
  • Large 22″ Picatinny Top Rail For Optic Mounting (Included In Box)
  • Gas Operated Action
  • 7075 Aircraft Grade Aluminum Receivers (Mil-Spec Hard Anodized)
  • AR-style Bolt Release
  • Compatible w/ AR Style Grips
  • 6-Position Buttstock (Mil-Spec)


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With the new CFO changes as of May 18, 2022, the new requirements to purchase a Non-Restricted Firearm online include:

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