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Geissele Super Gas Block [Multi-Option]

  • Geissele Super Gas Block
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Geissele Super Gas Block [Multi-Option]

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$69.00 $39.00

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MPN: 05-231 / 05-231N / 05-231C


  • Low profile design to fit under most free floating rail
  • Closed front design
  • Superior corrosion resistance with high strength
  • Fits barrels with a .750 barrel diameter at the gas block location
  • Innovative "Bombproof" installation
  • Made in USA


  • Material: 17-4 stainless steel
  • Length: 0.997"
  • Height: 1.411"
  • Width: 1.043"
  • Wight: 1.6 oz.


  • Geissele Super Gas Block
  • 2x Set screws
  • 1x Gas tube roll pin
  • 1x 3/16" spiral coil pin


As designed, most gas operated firearms use much more gas pressure than is necessary to operate the weapon. This, in turn, produces a lot of felt impulse and motion in the fired weapon. When you fine tune the gas forces that make your AR-15 work, you are able to control the effect that felt impulse has on you as a shooter. 

One way to master the motion of your AR-15 is to use a quality gas block. When you lower the felt impulse of your weapon, you reduce and more easily master the motion of your weapon on firing. Each shot fired is more accurate as your confidence builds. 

The Geissele Automatics Super Gas Block is a non-adjustable gas block designed to fit around the .750-inch diameter mounting bosses standard to AR-15 and M4 Carbine firearms. The Geissele Super Gas Block is a beautifully manufactured gas block made of 17-4 stainless steel which is not only resistant to corrosion, but also strong enough to handle as many rounds as you want to put through it. That’s performance and manufacturing you can trust.

Each Geissele Super Gas Block is supplied with instructions for both a standard installation which is a safe durable installation for the casual and target shooter and Geissele’s “bomb proof” installation, intended for duty weapons and combat situations so that no amount of abuse will dislodge the SGB once the supplied stainless steel spiral coil pin is in place. 

Geissele Automatic proudly manufactures their firearm components and accessories in North Wales, Pennsylvania. Quality workmanship provided by American workers who are also competitive shooters is their hallmark. Geissele’s motto is "We Manufacture Confidence." Install a Giselle Super Gas Block and feel that confidence for yourself.

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