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26" McGowen barreled 6mm Grendel upper
#40
I"m over testing the 105 RDF's, for whatever reason they don't work in this barrel.

I have a clamp on gas block for this and most all my builds, I can get the same results of shutting gas down by clocking it slightly one way or the other and I use a bolt carrier weight to slow down (delay) the unlocking. You can delay the unlocking by moving the gas port forward rifle length +2", didn't you special order that on your barrel?

Leaky gas blocks, over or under gassed, ect are not going to make groups open up, gas makes the rifle function(cycle) properly, after so many rounds the leak seals itself with carbon.

I have 95 TMK's BN coated RL15 28.0-29.6 Hornady brass 7 1/2 primer for testing tomorrow. Let you know how they shoot.
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Messages In This Thread
26" McGowen barreled 6mm Grendel upper - by Kilco - 03-28-2018, 04:49 AM
26" McGowen barreled 6mm Grendel upper - by bj139 - 03-28-2018, 03:25 PM
26" McGowen barreled 6mm Grendel upper - by Kilco - 04-01-2018, 04:39 AM
26" McGowen barreled 6mm Grendel upper - by bj139 - 04-09-2018, 01:01 PM
26" McGowen barreled 6mm Grendel upper - by bj139 - 04-10-2018, 02:15 PM
26" McGowen barreled 6mm Grendel upper - by bj139 - 04-11-2018, 12:30 PM
26" McGowen barreled 6mm Grendel upper - by bj139 - 04-11-2018, 02:41 PM
26" McGowen barreled 6mm Grendel upper - by soloelcap - 04-30-2018, 02:18 AM

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