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Norsso is a Las Vegas-based company specializing in custom aftermarket pistol slides, mechanical design, prototyping, industrial art, and CNC machining - emphasis on Norsso slides. A Norsso slide is a 17-4 billet stainless steel work of functional art. Norsso Glock slides for Gen 5 models work with actual Gen 5 internals, for instance, and the Norsso P320 upgrade is about the best SIG P320 slide you can buy.

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Norsso Glock slide: Pirahna model

Norsso Slides

Norsso manufactures many different “stock” replacement slide options (some complete with barrel) and has a custom capability as well. However, the variety of options available makes the need for custom service unlikely. Although they're best known for Glock upgrades, that is hardly the extent of what they offer.

Their products include or will accommodate: 

  • Multiple styles of slide lightening cuts and serrations for slide racking and easier press checks
  • Various models of Holosun RDS
  • Various models of Trijicon optics 
  • Various models of Aimpoint red dot sights 
  • An excellent cover plate menu
  • Glock slides for several models
  • SIG slides for several models
  • CZ slides for several models


17-4 Stainless Steel

Utilizing the proper material when manufacturing a slide is of utmost importance, not least because of its impact on longevity and durability. The two most common metals used are 17-4 Stainless Steel and 416 Stainless Steel. Norsso uses the former. 

When hardened, 17-4 has better mechanical properties than 416 across the board, including its overall strength, but one crucial property stands out: its resilience. The measurement of resilience in a material is its ability to absorb energy. 17-4 Stainless has four times (4x) the resilience of 416 Stainless. That means 17-4 is 400% more resistant to cracking than the alternative. 

The advantages to this are obvious, especially when considering the impact force a slide endures from the firing pin on the breech face and the barrel hood lockup. A slide yielding to such pressure can also ruin the barrel. 

Norsso has as many as 30,000 rounds through example slides with no reported failures and signs of cracking. This is a vital part of why you should consider these accessories for your Glock, Sig Sauer, or other model handgun. 

Norsso armory

Las Vegas, Nevada, United States.

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