Geissele Nitride Super Gas Block AR-15 Upper Part

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Geissele Super Gas Block, Nitride ‒ 05-231N

In stock

$ 69.00

Quick Overview

SKU: 39285
UPC: 854014005274
MFR#: 05-807N
  • Color: Black
  • Finish: Nitride Coating
  • Rail Type: MK1 (Available for OEM only)

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

SKU: 39285
SKU 39285
Brand Geissele
Department AR Parts
Daily Deal No
Daily Deal Expires No
Unit Price No
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 39285

Questions and Answers

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Browse 2 questions Browse 2 questions and 10 answers
Is this gas block adjustable?
Robert J on Mar 13, 2019
BEST ANSWER: No
Is a rail on that or can I attach one?
Keith M on Feb 4, 2019
BEST ANSWER: There is no rail.This is a low profile gas block. The forgrip is meant to slide over and around it.Low profile gas blocks are designed for smaller diamter forgrips.Not all forgrips are the same diameter.

Reviews

5.0 / 5.0
3 Reviews
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Peace of mind
Pin and dimpled the gas block to a previous purchase of CHF 16” PSA rail upper. The gas block it came with didn’t give me the warm fuzzies. Replaced it with the Geissle gas block. Rifle ran flawlessly before and flawlessly AFTER, gas block swap. About 500 rounds no issues. It won’t make the rifle shoot any better, it won’t make the shooter shoot better hahaha, it’s for peace of mind - the gas block isn’t coming loose or off the barrel. Looks great lasts a long time :-) I also have the stainless - it’s on a 10.5” upper, same story, it’s the same thing just different color.
December 5, 2019
Purchased
7 months ago
Excellent, worthy of the Geissele name
Dimensions of barrel hole and gas tube hole were spot on. Excellent fit on my 0.750 Ballistic Advantage AR10 barrel.
Order a 5/32" cobalt drill bit at the same time, so you can properly pin it to the barrel for a permanent trouble free install.
May 10, 2019
Purchased
1 year ago
Soild mount gas block
The best part of this block is the ability to insert and lock the block in place via a roll pin. Just like the original mil spec gas block. If you have ever had the gas block move or loose gas pressure because of only having the Allen-head set screws not staying in place you must use this gas block.
July 17, 2015

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