Out of stock
Geissele Super Gas Block, Nitride
Out of stock

Geissele Super Gas Block, Nitride ‒ 05-231N

SKU 39285
Brand Geissele
Model Number 05-807B
UPC 810081130219
Customers must read Compliance Information before purchasing.

Product Details


  • Color: Black
  • Finish: Nitride Coating
  • Rail Type: MK1 (Available for OEM only)


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


Q & A

Retail Stock


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.