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PSA upper with JP BCG as first Grendel?
#6
The simple answer is YES, but with some caveats.

No need to swap out the BCG. The PSA one is fine.

As for mags, I've had zero issues with AR-Stoner mags that I bought from Midwayusa.com (YMMV)

The CMC drop-in trigger is probably the best money I've spent on my AR's with regards to accuracy improvement. I personally like the two stage 2+2 lbs. Mine are all more like 2+1.5 lbs and are smooth with a crisp break and very little over-travel. I also have a couple of the Larue MBTs and they are a cheaper alternative but may need a little polishing to get them as smooth as the CMC.
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PSA upper with JP BCG as first Grendel? - by MarkS - 12-17-2019, 06:31 PM

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