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6.5 Grendel build inspired by the military SPR Mk12
#11
I'm starting out with a non adjustable gas bock. I'll switch to an adjustable if necessary. I compared a few different gas blocks and went with the light weight titanium SLR Rifleworks model in the middle:

[Image: Grendel_(27).JPG?width=1920&height=1080&fit=bounds]

[Image: Grendel_(30).JPG?width=1920&height=1080&fit=bounds]

I tried 4 different manufactures gas tubes. All of them contacted the front of the barrel nut:

[Image: Grendel_(25).JPG?width=1920&height=1080&fit=bounds]

I'm a stickler for the gas tube "floating" in the center of the receiver hole and gliding smoothly into the carrier key with minimum resistance. It makes the action so smooth.

I spent lots of time reshaping the gas tube to clear the barrel nut. Man that gas tube was tough to bend! It's also a SLR Rifleworks black nitride coated piece:

[Image: Grendel_(24).JPG?width=1920&height=1080&fit=bounds]
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6.5 Grendel build inspired by the military SPR Mk12 - by spr mk12 mod 0 - 09-09-2020, 04:30 PM

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