Adjustable Gas Block wrench

I purchased a PA-10, 308 with an adjustable gas block and need the wrench to adjust it. What size of Allen wrench does it take? I saw some comments that it is supposed come with a long wrench, but I can’t find it. Any help is appreciated.

Not sure of the specific size. For me, i had a wrench that was part of a set. If you dont have a good set of allen wrenches, i recommend that because of rails, gas blocks, buis, scope mounts, etc.

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If it’s like the adjustable gas block PSA sells it’s a 7/64

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Take a peek in the pistol grip compartment if it has one.

Thanks for the replies. I found original allen wrench that came with the gun after buying several online that weren’t long enough. It is a 7/64 and 12" long.

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Does anyone know if PSA sells those 12" long 7/64 hex keys? I bought one of their PSA Custom .750 Click Switch Adjustable Gas Blocks, and I love it, but it comes with no hex key. I put it on an 18" mid-length KS-47 upper I put together, but the gas block sits pretty far from the front of the 17" handguard I used.

PSA Custom .750 Click Switch Adjustable Gas Block | Palmetto State Armory

If it helps anyone now or in the future. A 7/64, 12" long hex key is

Manufacturer: Bondhus
Part number: 25406

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Which gas block is the newest one for pa
#3 or #5 gas block

I always liked the T handles better. They have several different styles.

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Yep, I wound up going with a 12" Eklind. Works great.

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