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re: My AR10 Build - Aero Precision M5

Posted on 3/5/18 at 12:28 pm to
Posted by ChatRabbit77
Baton Rouge
Member since May 2013
5861 posts
Posted on 3/5/18 at 12:28 pm to
quote:

That's how I'm leaning honestly. Just rather go out and shoot and have fun and worry about running crap down the barrel later.

Yup. Once you get some uniform copper fouling, your groups will remain more consistent. Just shoot and don't worry about it.
Posted by Kino74
Denham springs
Member since Nov 2013
5344 posts
Posted on 3/5/18 at 12:36 pm to
A fellow fan of FDE. Very nice.
Posted by kengel2
Team Gun
Member since Mar 2004
30794 posts
Posted on 3/5/18 at 12:39 pm to
Ya, I don't really buy the break in methods that most people recommend, like clean after every shot for 5 or 10 shots. It's waste of time and cleaning supplies.

The barrel should settle in around 100-200 rounds in and you should see a slight increase in velocity after that. That's what Id consider broken in. I don't think cleaning has anything to do with it.

There is a stickied topic on snipershide gunsmithing section about barrel break in. Some of the barrel makers talk about what's going on. Pretty interesting read.

Everyone is always going to have an opinion.
Posted by bbvdd
Memphis, TN
Member since Jun 2009
25004 posts
Posted on 3/5/18 at 12:48 pm to
quote:

This thing sure does have a tight chamber right now - may loosen up a bit after I shoot it some.


TWSS

how did this make it this far without this being pointed out?



Anyway, Bapple, that looks great. My AR-10 in 6.5cm with suppressor is right at 15lbs.

I will say that you may at some point want to look into an adjustable gas block. I did not have one on my mine when I had the .308 barrel on it but did put one with the 6.5cm barrel swap.
Once I got it dialed in, it made a pretty big difference in recoil vs it being wide open.
Posted by bapple
Capital City
Member since Oct 2010
11891 posts
Posted on 3/5/18 at 1:13 pm to
quote:

The barrel should settle in around 100-200 rounds in and you should see a slight increase in velocity after that. That's what Id consider broken in. I don't think cleaning has anything to do with it.


So do you think it's detrimental to accuracy to use copper solvent? And how significant are we talking in terms of velocity and group size?

quote:

TWSS

how did this make it this far without this being pointed out?


Even after 10k posts, I still don't know what TWSS means...

quote:

I will say that you may at some point want to look into an adjustable gas block.


I actually haven't gotten into the suppressor game and not sure if I have any desire to. I always use hearing protection and I feel like a can on the end of an 18" barrel would make it monumentally long. I prefer my rifle to be compact but still capable, hence the medium profile barrel and the 9 pound weight.
Posted by bbvdd
Memphis, TN
Member since Jun 2009
25004 posts
Posted on 3/5/18 at 1:25 pm to
quote:

Even after 10k posts, I still don't know what TWSS means...


dude...

"That's What She Says"

quote:

I feel like a can on the end of an 18" barrel would make it monumentally long


My 6.5cm barrel is 22" add the 12" can on the end and the gun seems about 6' long.

That's an exaggeration but it is a very long gun.
Posted by ChatRabbit77
Baton Rouge
Member since May 2013
5861 posts
Posted on 3/5/18 at 1:27 pm to
quote:

So do you think it's detrimental to accuracy to use copper solvent?

Only use copper solvent when your groups start to deviate/open up. Most people say this is around 500-700 rounds. Then you can do a deep clean with copper solvent. Otherwise, avoid using it for regular cleaning.
Posted by Clames
Member since Oct 2010
16581 posts
Posted on 3/5/18 at 1:33 pm to
quote:

I have never put a crimp on my rifle rounds and I like being able to avoid another step. As long as the rounds feed in the rifle and the bullets don't wiggle themselves out the cases, no issues for me. Then again I've never reloaded for a semi auto rifle that wasn't a 5.56. I'll see if I need it.


It a definite matter of safety when it comes to autoloaders and magnum revolvers. I've measured several thousanths of bullet setback with my AR's and M1A chambering test bullets loaded into prepped but unprimed cases. Same with 9mm. Have to keep in mind that the action spring of these rifles has enough power to effectively resize cases with slight defects around the shoulders, more than enough power to push an uncrimped bullet back by way of the feed ramps.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 3/5/18 at 1:56 pm to
I really hate buying top quality high end ammo and it not having crimped cases.

Bought some 357 sig gold dot LE ammo and it was uncrimped. Inexcusable on a caliber notorious for bad setback.
Posted by kengel2
Team Gun
Member since Mar 2004
30794 posts
Posted on 3/5/18 at 2:08 pm to
quote:


So do you think it's detrimental to accuracy to use copper solvent? And how significant are we talking in terms of velocity and group size?



I dont own any copper solvent. I use a foaming bore cleaner and that may have something in it, but it's aggressive enough for me.

The only thing cleaning all the copper out will do is add to the number of rounds it takes before it settles down again, probably 5 or so. Most people will do more damage by cleaning their barrel without the correct tools(bore guides, coated rods, etc).

Once you hit about 100-200 rounds you may see a velocity increase of about 25-30 fps, maybe more or less, everyone is different.

quote:

I actually haven't gotten into the suppressor game and not sure if I have any desire to. I always use hearing protection and I feel like a can on the end of an 18" barrel would make it monumentally long. I prefer my rifle to be compact but still capable, hence the medium profile barrel and the 9 pound weight.


A suppressor is a whole new world, especially for a 22.

If anything get a 22 suppressor and you will grin everytime you shoot it.

For the 308 a suppressor would be nice. Hearing protection is still required, but it sure makes it more fun. Not to mention it will eat up some recoil.

Posted by TigerOnThe Hill
Springhill, LA
Member since Sep 2008
6812 posts
Posted on 3/5/18 at 7:43 pm to
quote:

I dont own any copper solvent. I use a foaming bore cleaner and that may have something in it, but it's aggressive enough for me.


Some years ago when aggressive cleaning of copper was popular, I tried it, as well. I tried "Sweet's" and a Shooter's Choice copper cleaner. Given time, there seemed to be more information suggesting aggressive copper cleaning wasn't really helpful so I quit doing it. This summer I used some copper cleaner for the first time in many years. After 2 prairie dog hunts, a couple of my guns were VERY dirty(the dirtiest guns had gone prolly 400 rounds or so w/o a good cleaning) didn't want to come clean w/ my usual use of "Wipe Out." After a light application of the copper cleaner, they cleaned up nicely. Like you, I like to use foaming bore cleaners (I like "Wipe Out"). If you use aggressive copper cleaners, follow the instructions and be sure to oil up the bore nicely afterwards.

I'm interested to see how your new gun shoots. Is this the 308 you've going to start handloading for?

PS, don't use the Hoppe's"Elite Foaming Bore Cleaner" as it's a total waste of money.
Posted by doliss
Northern VA
Member since Sep 2009
988 posts
Posted on 3/5/18 at 7:53 pm to
Bapple, how do you like the aero enhanced upper? my first AR build is the regular stripped aero upper but i recently noticed the enhanced and have thought about going with it for the next build. First build has a drop in handguard and that lovely delta ring (which i've decided not to mess with this go around).

This time will be free float and I am curious on your opinion of the enhanced upper with the aero handguard
Posted by bapple
Capital City
Member since Oct 2010
11891 posts
Posted on 3/5/18 at 9:53 pm to
quote:

I tried "Sweet's" and a Shooter's Choice copper cleaner.


My dad uses Sweets just about every time he cleans his rifles. He's had good luck with accuracy but I always thought his cleaning methods were a bit overkill. Good to know I'm not being too judgmental about that.

quote:

Is this the 308 you've going to start handloading for?


I've got quite a few loads to try out tomorrow and I picked up some discounted ball and soft-point 308 bullets at LA Gun and Reloading in BR. So I've got some rounds to get the barrel a bit coppered-up and then I'll put the premium ones through it.

quote:

Bapple, how do you like the aero enhanced upper?


I read that the standard M5 upper uses a different barrel nut than the enhanced one. The enhanced has a barrel nut with the same teeth as one on a regular AR so I was able to use a Tapco AR tool with a vice and my 308 extension tube. Torqued to 65 foot pounds and ready to rock. I also like how easy it is to take the handguard off since it's just held in by torx screws. I will say it's slightly wider than the KMR on my BCM but it's still plenty slim and very light.

quote:

I am curious on your opinion of the enhanced upper with the aero handguard




I'll give you more information after I take it to the range, which hopefully I'll be able to do tomorrow. I'm hoping one of my recipes feeds it well and rewards me with some sub-MOA groups.
This post was edited on 3/5/18 at 9:56 pm
Posted by doliss
Northern VA
Member since Sep 2009
988 posts
Posted on 3/6/18 at 5:57 am to
quote:

I'll give you more information after I take it to the range


Always enjoy your firearm reviews
Posted by tiddlesmcdiddles
Lafayette, LA
Member since Apr 2013
1719 posts
Posted on 3/6/18 at 8:57 am to
quote:

I'll give you more information after I take it to the range


speaking of, need to get you over to my range for CC renewal and parlay it into a range day
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