Should You Dimple the Barrel for the Gas Block?
BY Herschel Smith
3 years, 9 months ago
Readers are invited to weigh in on what they do.
23 Mar 2021
3 years, 9 months ago
You are currently reading "Should You Dimple the Barrel for the Gas Block?", entry #27165 on The Captain's Journal.
This article is filed under the category(s) AR-15s and was published March 23rd, 2021 by Herschel Smith.
If you're interested in what else the The Captain's Journal has to say, you might try thumbing through the archives and visiting the main index, or; perhaps you would like to learn more about TCJ.
This article is filed under the category(s) AR-15s and was published March 23rd, 2021 by Herschel Smith.
If you're interested in what else the The Captain's Journal has to say, you might try thumbing through the archives and visiting the main index, or; perhaps you would like to learn more about TCJ.
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On March 23, 2021 at 11:20 pm, JR said:
If I remember correctly, my 14.5 BCM came from the factory with dimples for the gas block bolts.
On March 24, 2021 at 12:02 am, George 1 said:
I always use a jig and dimple all set screw holes. With a jig it is easy to do and there is no reason not to in my opinion.
On March 24, 2021 at 8:56 am, Ned said:
George 1 – ditto.
On March 26, 2021 at 8:01 am, Mike said:
Dimpling with a jig is easy so why not do it? I don’t think relying on the set screws alone is a good idea, in part because you are running assumptions that they are properly hardened. Shit happens and there are occasional bad batches of anything. If the gas block isn’t anticipated to be removed often, I like to stake the set screw with a punch. Dimpling helps with the set screws being sunk in slightly to be better staked in my opinion.
Though, pinning is for sure the best, especially taper pins.