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I’ve purchased a few CMMG barrels and BCGs to build 5.7s, however I typically used other hand guards. This time around I went with the CMMG Handguard and I’m glad that I did. Once this thing is mounted it does not budge. Comes with barrel nut (no special tool needed). Also comes with retention key and screws.
Very durable product. I’ve built two long guns with this and everything lined up perfectly. My sail came lined up so no adjustment needed from that end. Enabled me to tighten down barrel nuts with ease, mount gas blocks and hand guards. One of the best tools that I’ve purchased.
I’ve used these triggers in two of my builds and wow. What a difference versus a mil spec trigger. Super crisp break and reset. Very easy to install similarly to any mil spec trigger. I’ll take these over any cassette style drop ins any day.
Works perfect with my EPC9. I chose to go this route because I wanted something small that could fit in a backpack without needing a brace or stock and folding stocks are finicky on the EPC9. Functions well and looks great.
Originally when I built my 6.5 Creedmoor I utilized the nickel boron BCG because I like shiny things lol, however after consulting with a very helpful rep from Aero, he advised me to utilize the nitride BCG as it was specially made for the 6.5 and would last longer due to it being a high pressure BCG. Fired about 50 rounds through it and she’s cycled flawlessly. The verbiage added to this BCG versus the nickel boron is High pressure bolt - external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .070".
Used this kit to assemble my EPC9 lower and it worked flawlessly. One thing to note is one may have to trim the takedown springs a bit for the takedown pins to be able to be used more freely. If the full length spring is used it makes it challenging to move those takedown pins.
I love Aero Precision products and this is no exception. Put about 200 rounds through it no issues. This must be paired with an Aero EPC9 lower to function properly. LRBHO works as it should shooting Blazer Ammo, PMC and Monarch. Paired with EPC MOE lower build kit and the Phaser 5 weapons system buffer tube and I was able to build another tool for protection. Will purchase again but with 11 inch barrel. One thing to note is that when assembling the lower the take down pin springs have to be cut a bit so that the takedown pins can be released easily.
Used this buffer tube kit on my AR57 with 5 inch barrel and folding stock. Shot about 250 rounds and no issues at all. Look no further than this kit here.
Wanted a minimal stock for a SBR 300 blackout and this one fit the bill perfectly. This is my second stock like this therefore would recommend it for any builds that aren’t precision rifles.