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I recently installed an FSC556 compensator from PWS and the ST-T2 buffer from Spike's Tactical on my M&P 15X. The weapon recoil seems smoother, especially when the bolt locks back. My follow up rounds are staying closer together as well. I'm new to the AR platform, but I feel pretty confident that these were both solid upgrades to this weapon. Excellent customer service also from both businesses, by the way!
Regards,
Jeff
Keep your blood clean, your body lean and your mind sharp. ~ Rollins
Just a silly question, but what is your barrel chambered for? Is it possible you're shooting 5.56N spec ammo in a .223 chamber? That would definitely result in your carbine acting overgassed.
And yes, the springs included in many aftermarket buttstocks are junk. I learned this the hard way with one of my 6.8s. Spring length was down to minimum spec after ~500rds and was causing functional issues. Replaced it with a SSS spring and problems went away.
FA carriers are the way to go in a carbine - even use 'em in mid-length gas systems. That extra mass reduces the velocity of the bolt carrier during the operating cycle, resulting in a smoother recoil impulse.
OP- Does the extractor rip through the case rim, or any FTE's, or any pull marks on the spent cases?
If so, possibly overgassed and timing thrown off resulting in buffer slamming into end of tube.
This all sounds pretty odd to me.
In your first post you stated "Std. A2 FH/Comp."
So is this a standard flash hider that looks like this?
I shot a friends Bushmaster "M4" that had an aftermarket compensator on it. That was the loudest, most uncomfortable AR I have ever shot. I had ear protection but they were ringing when I was done with ten rounds.
"The sword is more important than the shield, and skill is more important than either. The final weapon is the brain. All else is supplemental." John Steinbeck
Have you considered getting rid of the DTI upper and purchase something better made? Rather than spend $100 here and there to try and diagnose the problem, you could have a quality upper like BCM that you know won't give you any problems.
We do not rise to the level of our expectations. We fall to the level of our training.
-Archilochus
I have never had any FTFs, FTE, misfires, or anything but perfect functioning. I may just put her in the safe for a few months and then buy a Noveske complete N4 upper. Or something equal to it.
As far pull marks, I am not sure as I have not saved any brass. I find it easier and just as cost effective to buy it.
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