AR10 build is done. Balance issue

RobbieDigital · Jun 14, 2018

I just completed My first AR10. The barrel is only 18” but it’s still very heavy in the front. I have a carbine length AR10 buffer spring. I’m looking for suggestions on how to balance the weight a little bit. Currently running a hogue overmold stock on it. Any suggestions for a heavier stock to balance it more?

I have no clue why picture is upside down.

iH8DemLibz · Jun 14, 2018

Lead in the pistol grip.

erwos · Jun 14, 2018

Magpul UBR is on the heavy side. That said, I'd rather use a shorter handguard, if it's possible.

RobbieDigital · Jun 14, 2018

iH8DemLibz said:
Lead in the pistol grip.

Is that a real thing or just trolling me? Great user name btw.

lazarus · Jun 14, 2018

RobbieDigital said:
Is that a real thing or just trolling me? Great user name btw.

A real thing. Just get some fishing weights and glue in a couple of ounces will help balance it. Also as suggested. A shorter handguard would help balance it. Oh and a shorter/lighter muzzle brake.

RobbieDigital · Jun 14, 2018

lazarus said:
A real thing. Just get some fishing weights and glue in a couple of ounces will help balance it. Also as suggested. A shorter handguard would help balance it. Oh and a shorter/lighter muzzle brake.

At this point I’m committed to the muzzle and handguard. The only thing I can do now is swap the stock.

Speed3 · Jun 14, 2018

Magpul PRS stock is one of the heaviest out there. Try that, you still might need to add some weight in the grip.

parttimer · Jun 14, 2018

You could try using a heavier scope ring set up. The ones you have are so light weight they look invisible

CBo · Jun 14, 2018

theres a heavier buffer tube specifically for balancing.. dont know if it worth it to you in cost and overall rifle weight.. if you currently have a standard carbine buffer tube (3.6oz?), V7 makes one thats an a5 style, 9 position, 416 steel 10.8 oz but its $130. i cant recall but i think some other manufacturers use heavier materials for added weight for a little more money compared to aluminum, and not so expensive as v7

smdub · Jun 14, 2018

Heavybuffers.com makes... Heavy buffers. Unless you want the rifle to weigh a ton don't put lead in the grip. Since the stock is farther away from the balance point, weight there has FAR more of an effect. Use a heavier stock like the PRS and add steel buttplate spacers if you need even more. Every oz at the buttplate is equivalent to 4 or 5 at the grip.

Biggfoot44 · Jun 14, 2018

In the days of A2 stocks, there were ( lead ? Steel ?) weights made to fit the compartment .

RobbieDigital · Jun 15, 2018

parttimer said:
You could try using a heavier scope ring set up. The ones you have are so light weight they look invisible

That’s problem #2. The optic is so massive that two rings won’t work because it would bridge the handguard. I’m looking for a one ring solution now.

RobbieDigital · Jun 15, 2018

Speed3 said:
Magpul PRS stock is one of the heaviest out there. Try that, you still might need to add some weight in the grip.

smdub said:
Heavybuffers.com makes... Heavy buffers. Unless you want the rifle to weigh a ton don't put lead in the grip. Since the stock is farther away from the balance point, weight there has FAR more of an effect. Use a heavier stock like the PRS and add steel buttplate spacers if you need even more. Every oz at the buttplate is equivalent to 4 or 5 at the grip.

I think I’m going to order the PRS. OpticsPlanet has it 10% off with free shipping for Father’s Day. Will be $166. I like the way it looks too. All the reviews say it’s very heavy.
Thanks fellas

RCH · Jun 15, 2018

Robbie, you will probably need a mount like this to solve the handguard issue and to allow you enough free-play to give you the proper eye relief:

https://www.americandefensemanufacturing.com/view/product/5/

As a bonus, you add another 8.5 ounces to the back end.

chino101 · Jun 15, 2018

erwos said:
Magpul UBR is on the heavy side. That said, I'd rather use a shorter handguard, if it's possible.

I handled an AR10 with this stock and it really helped with the balance when compared a S&W AR10 that I had at the time. If I would have kept it, I would have installed a UBR since the roll of my AR10 was bench shooting.

RobbieDigital · Jun 15, 2018

I ended up buying the UBR instead of PRS. Still looking for a mount.

RCH- thanks for the link to the mount. That’s the style I’m thinking. One piece that I can put on the receiver rail that sits tall enough to handle the 56mm front glass. I’m going to shop around. I’d like to be under $100 for the mount, if possible.

jrumann59 · Jun 15, 2018

get a storage stock and store some crap you might need.

smdub · Jun 15, 2018

If you don't need a 20/30MOA mount, then Aero makes some nice non-QD mounts in that price range. They always go on sale.
https://aeroprecisionusa.com/scope-mounts.html

outrider58 · Jun 16, 2018

I would just get used to it. :shrug:

dreadpirate · Jun 16, 2018

I vote for a Magpul UBR pictured here on my 6.5 Grendel.

AR10 build is done. Balance issue

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