First build! 300blk "pistol"

[gtboy2k]

First build, tried to stick to good parts. Never would have been able to do it without what I've mostly learned here. My state is a no SBR state, hence the "arm brace."

Upper:
VLTOR MUR
10.5" CHF CL barrel in .300blk from PSA
MI gen2 T9 quad rail
BCM gas block
BCM compensator
BCM Mod 4 charging handle
BCM BCG
Magpul hand stop
Troy HK style flip up sights
Aimpoint T1
TLR-2s

Lower:
LRB Arms lower receiver
PSA lpk
H2 buffer from BCM
Troy ambi mag release
Troy QD sling mount
BCM gunfighter grip mod2
KAK buffer tube
SIG sb15 "arm brace"



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I want...

[cwgibson]

Looks very nice. I am planning a similar build with a noveske 8" barrel.


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[Dionysusigma]

Ok, the current plan is to get some cerrosafe alloy, melt it down into the chamber and try to extract it that way. If that doesn't work, looks like I need a new barrel, or maybe I should call the guys at Palmetto about their ammo getting stuck in their barrel. I do plan on getting a heavier buffer as it would seem extraction is a little forceful. Any input guys??

I've never had a case head separation *knock on wood*, so I'm not sure how to help in that regard... but I'd go for a heavier buffer spring, since you already have an H2.

[Charlie Don't Surf]

It lives!
Case successfully extricated! The cerrosafe alloy worked, the only tricky part was pouring it in through the upper receiver. Accomplished that with some rolled up printer paper to act as a funnel.

This was the re-zeroing post surgery, from bench, 100yrds, unmagnified T1 Micro, Barnes black tips.
Fired two mags the PSA reloads with no problems along with another mag of Ozark. The new H3 buffer seems to have tamed the super far ejection patters I was getting. Less recoil too.

I. Love. This. Gun.


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[Dionysusigma]

Good to know the Cerrosafe worked! Nothing quite like digging one's self out of a jam, eh?

Also kinda neat to see what the bore just ahead of the chamber looks like, too.