11.5" Barrel Optimum Gas Port Size

[prepare]

I got tired of playing the 11.5” barrel / gas port / 10.X” rail game and put myself on a waiting list for an 11.5” SR-15 with matching KAC silencer this week. Just ****ing tired of it.

Are these DI guns?

[snackgunner]

Mark you or papabear run any of the bootleg adjustable bcgs?

[Clint]

Got a link?

Because I am. And so are a bunch of other people. I wrote a whole essay on this about 6 months ago on here.

[nightchief]

Got a link?

https://www.m4carbine.net/showthread...-75-rail/page3

Post #26

[scottryan]

I asked Shark arms to remove the FSB from my hrt barrel and they did it for me.

SLR Rifleworks 10.7" rails are top notch.

Link to your essay?

You and I have different philosophies on how do build guns. I’ll leave it at that.

[Clint]

Very generally, the enhanced carrier requires a smaller gas port.

But the effects are a bit variable depending on the particular gas system configuration.

An Optimal configuration such as the 11.5 carbine will see little to no benefit from anything other than a quality mill spec carrier.

how would use of an enhanced carrier like the LMT effect optimal gas port sizing?

For normal use, adjustable gas widgets are unnecessary if the barrel is ported correctly in the first place.

Mark you or papabear run any of the bootleg adjustable bcgs?

Our philosophy is that a quality BCG and quality gas block in combination with an OPTIMUM barrel configuration will yield the best overall performance.

[snackgunner]

You and I have different philosophies on how do build guns. I’ll leave it at that.

Why dont you explain??

[scooter22]

KAC 11.5" Mod 2 GP is 0.070"

[Clint]

Don't use paper thin shims.

The PA shims are .060"+ thick.

Yeah and what about the shims that fall into this relief cut? Like Surefire shims?

[snackgunner]

You and I have different philosophies on how do build guns. I’ll leave it at that.

Care on sharing your philosophy?

I just see a bunch of whining from you in here and in your "essay" that was linked.