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After shooting this I cant wait for the ACR conversion.

I was sent this upper to test by a member on another forum to test so it is his configuration. This is an AAC 300 Blackout nicely appointed with Troy primary front sight modeled after M16 front sight, ARMS rear BUIS which has two apertures for distance and lighting this sight also has a notch on both apertures for CQB or in close shooting, The muzzle device is a YHM QD mount for a 7.62 can, The KAC rail system has two matching rail guards. First impressions are that this is a very nice lightweight package. I really like his configuration with the sights and the muzzle device with the "Phantom" lineage; I like the phantom enough to consider buying a Surefire with their variant despite my positive experiences with my AAC M4-2K which has a Phantom. I may go with a AAC can and get a brake mount instead. I don't know if I'd do anything different with the hand guards, they feel good but I think a bottom guard or the rail ladder type deal may be better. The action has the "new grit" feel, which will no doubt smooth out within a few hundred rounds to a glass like quality. I’m anxiously awaiting ammo to stretch this beast legs a bit. I will post some pics of the guts shortly.





















 

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The Guts....... This upper is very clean, zero accumulation of carbon anywhere yet however, I did note some copper on the rear or the bolt before the gas rings. This tells me that pistol powder runs real clean in this setup. The bore looks mint, the lands and grooves are pronounced well. During breaking in I like to use a very light oil so mating parts wear in smoothly, then I go to a CLP type lube or even Mobile 1.

























I needed two rounds and the can today/tonight:rant:

This evening while doing night exposures of traffic


While hoofing it




 

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So I had a chance to get out and shoot this setup (non-suppressed) briefly before my buffer tube crapped the bed but more on that later (btw the weapon didn't fail). I passed a few hundred rounds 125 gr OTM 300 BLK down the pipe of the 9 inch AAC BLK upper ( ammo supplied by Rsilvers on behalf of AAC, produced by Remington). I used Open sights and a leupold 3-9x scope. Before the uneducated remark about the front sight obstructing the field of vision within the optic now that "typically" any 3x and greater will optically ignore the front sight Ie you wont see it. I did a 20 shot open sight group at 50 yards after getting it on paper at 25 yards. These are my pics of my results all at 50 yards, I intend on increasing the distance AFTER I get a new buffer tube.





This is with open sights at 50 yards while adjusting the dope.


Groups with optics
















I did not subtract the bullets diameter from the groups (.30) which would indicate that at 50 yards this is under a 1 inch group MOA out of a 9 inch upper. I don't believe there is not an AK off the shelf out there that could perform like this...

I played around with Buffer spring combos and stuck with my Spikes ST-T2 and a tubbs flatwire spring, It works great.

I fam fired the 220gr to ensure function and I note zero issues with STANAG magazine or the P mags. I think the recoil from the 220gr is very different from everything I have ever fired, it’s very soft but reliable.
 

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awesome thanks for the pics! i'd really like to have this conversion too, unfortunately i dont have a 7.62 can at the moment =(
 

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Very nice, great pictures as well, thanks for sharing!

Wish BFI / Remington would get off there butts and release a 16" ACR barrel for this. I really want to play with 300 BLK.
 

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This is really cool and I want it now! Thanks for sharing all those pics.
 
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