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Posted: 6/9/2024 7:23:35 PM EDT
I'm putting together a 300BO with a bunch of existing parts.
8" BA barrel that has room for a full FSB.
I have a shaved down FSB spare I want to use for this.
This is GTG as is?
Link Posted: 6/9/2024 7:34:33 PM EDT
[#1]
Yes, there is no special 300blk gas block unless you want to go adjustable.  Even then, it is just a standard adjustable gas block.  I believe it is a standard 750.  Is your shaved gas block any different?
Link Posted: 6/9/2024 9:07:05 PM EDT
[#2]
Nope. It's a Colt "F" FSB off my 6933 barrel, that was shaved down.
Link Posted: 6/10/2024 12:11:34 AM EDT
[#3]
.625 won’t fit.  You will need a new gas block.
Link Posted: 6/10/2024 8:39:22 AM EDT
[#4]
It's a .750 FSB, I've test fitted it.
Link Posted: 6/10/2024 12:02:03 PM EDT
[#5]
Interesting, I thought 6933's had lightweight barrels that were 625?  If it is 750 you should be GTG.
Link Posted: 6/11/2024 7:42:11 AM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By panthermark:
Interesting, I thought 6933's had lightweight barrels that were 625?  If it is 750 you should be GTG.
View Quote
Yeah, the later ones apparently have the larger gas block area. Interestingly, the only 6933 barrels available from Specialized Armament are .625 for both "F" and non-"F" FSBs.

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