• Geissele Super Gas Block (SGB)
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Geissele Automatics

Geissele Super Gas Block (SGB)

$84.00
$84.00
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Why buy from B&B

Because you work directly with a family-run business that cares about getting it right.

B&B Firearms is built on faith, family, service, and real product knowledge. When you buy here, you are not supporting a giant corporation — you are working with a veteran-owned family business that values honesty, guidance, and doing right by people.

Low-profile gas block that fits under most free-float handguards, investment cast from 17-4 PH stainless. Supports set-screw or Geissele's Bombproof installation method.

  • 17-4 PH stainless
  • Low profile
  • Set-screw or Bombproof install

Specifications

Material Precipitation Hardness Stainless Steel
Compatibility AR Platform
Gas block journal size-diameter .750 in

Notes

The bore of the SGB is machined to closely fit around .750” diameter mounting bosses found on most M4 Carbines and AR-15 rifles.

Installing your SGB on a Geissele CHF barrel using the included Alignment Pin