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  #1  
Old 05-16-2018, 2:44 PM
thorium thorium is online now
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Default Aero Precision Ultralight Scope Mounts vs. Higher End Mounts - Weight vs Performance

I need to choose an optic mount that balances high quality and weight.

The mount will attach a very high end 1-8X scope (e.g., Swarovski Z8i or Schmidt & Bender PMII 1-8x) to a 16" BCM lightweight profile AR-15 upper.

Weight is a big factor. The build is not intended to be ultralight (e.g., using a mil-spec BCG) but definitely weight conscious... I want a scoped 16" AR as close to 7 lbs as I can get it.

Budget is not a factor, I'm considering everything thru a $450 Spuhr mount.

The core question:
I'm tempted by the light weight (3 oz) of the Aero Precision mount, and have used it on another SPR-type rifle with no issues, but given I'm dropping $2k on an optic, is a heavier 6oz-8oz mount (Spuhr, Larue, Bobro, etc.) in order here?

The final weight of the completely equipped rifle will be 7.7 lbs with an Aero mount, or 8.0 lbs with a heavier 8oz mount.
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  #2  
Old 05-16-2018, 5:04 PM
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The recoil is so minimal I don’t know why you would need a heavier mount.
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  #3  
Old 05-17-2018, 7:42 AM
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I like most of Aero Precision's products, however for scope mounts, I'm not a fan of vertically split rings. I would look at other options. You don't need something heavier for a 1-8x scope. Those aren't particularly heavy scopes. Just stick with the top brands and you'll be fine. For QD I favor Bobro. Non-QD - Spuhr, Badger Ordnance, Seekins...the usual.
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Last edited by Mute; 05-18-2018 at 7:12 AM..
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Old 05-17-2018, 10:05 AM
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I use Bobro QD for long range setup. AeroP for lighter setup. You save a few oz using a lighter mount or a lighter barrel, a pound or more using a lighter stock.
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Old 05-17-2018, 11:41 AM
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Warne X-Skel are good for a light bolt-on (non-QD) mount too.
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Old 05-18-2018, 6:18 AM
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Thanks for the feedback.

I’m running a 9oz stock (B5 bravo) so the most I could save is 3 oz (MFT minimalist stock is 6oz), but I’ve tried most of the stocks on the market and the Bravo is the right combo of ergonomics, weight, etc. for me.

I would save 4oz, quarter lb, by using a 3.5oz aero mount vs say a 7.5oz bobro.

I haven’t heard of anyone with quality complaints on the aero, has anyone else? Eg scope losing zero if someone dropped their rifle a few feet to the ground and other basic non-operator abuse scenarios
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Old 05-18-2018, 7:34 AM
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Quote:
Originally Posted by Mute View Post
I like most of Aero Precision's products, however for scope mounts, I'm not a fan of vertically split rings..
Can you elaborate on this?
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Old 05-18-2018, 11:01 AM
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Quote:
Originally Posted by Paperchasin View Post
Can you elaborate on this?
I'm guessing he's talking about since it's verticle clamp style when tightening down it starts adding cant. I use the Aero lightweight mounts, I just guess how much cant it'll twist before tightening and then tighten it down and double check after. So far no issues and works great for me.
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Old 05-18-2018, 11:11 AM
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Quote:
Originally Posted by ZombieLivesMatter View Post
I'm guessing he's talking about since it's verticle clamp style when tightening down it starts adding cant. I use the Aero lightweight mounts, I just guess how much cant it'll twist before tightening and then tighten it down and double check after. So far no issues and works great for me.
That's a minor inconvenience compared to the Gen 1 Bobro QD mount. All the screws are mounted upside down. Though my gen 2 mount screws, lacking this 'operator-approved' feature, did start rusting after an 8? hour long range class in the rain.(never dried the screws after class since the mount is operator-grade)
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Old 05-18-2018, 11:39 AM
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I bought a aero precision scope mount and a American defenses quick release scope mount. I took them both on a range session of about 1500 each for two different rifles. The American defense recon mount that I had came loose after about 200 rounds in and I had to re adjust and tighten it. The aero precision mount stayed nice and firm without a single wiggle thru the 1500 rounds. I was shooting 5.56 by the way, Just because it’s cheap doesn’t mean it won’t work. Solid product by aero precision. Compare $60 on sale vs the AD recon mount for $180.
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  #11  
Old 05-18-2018, 1:54 PM
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Quote:
Originally Posted by Paperchasin View Post
Can you elaborate on this?
Some people have reported issues with vertically split rings applying too much pressure on their scope tube and noticing a shift in zero. I don't use these kind of rings so i can't really comment on how often this happens. I personally don't like the way these rings hold the optic so i use other types of mounts.
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Last edited by Mute; 05-19-2018 at 7:46 PM..
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  #12  
Old 05-18-2018, 2:02 PM
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Quote:
Originally Posted by Mute View Post
Some people have reported issues with vertically split rings applying to much pressure on their scope tube and noticing a shift in zero. I don't use these kind of rings so i can't really comment on how often this happens. I personally don't like the way these rings hold the optic so i use other types of mounts.
Appreciate the response. I have not heard about this until now. Thanks.
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Old 05-18-2018, 3:08 PM
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I've got a few aero mounts, sort of gradually changing them out. Most of them have been fine. With one of them I couldn't sight in a new scope, there wasn't enough adjustment in the scope. Changed the mount and it sighted in the next time. I think my most expensive scope was something like $1100. For a $2k scope I'd go with a high quality mount.
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Old 05-18-2018, 7:44 PM
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I had one. I found that the zero shifted when it dropped onto a wood floor. I changed for an AD mount. No more zero issues vs that mated clam shell clamp.
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Old 05-19-2018, 6:41 AM
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I have a Warne X-Skel mount and like it.

I looked at the Aero mount but didn't like the hinged design.


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Old 05-19-2018, 6:59 AM
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One of my guys used one when we started getting the Vortex Razor scope on my last tour before retirement. I was skeptical as I've always used LaRue QD Mounts but his held zero and had no issues. I know it's only a few ounces but it did improve the handling quite a bit. I'm going to get some for my ARs.
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  #17  
Old 05-19-2018, 8:54 AM
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I have 2 scopes mounted with Aero's. I'm having poor performance with both rifles. The problem is I haven't had the time to start troubleshooting either rifle to find out if it's the scope mount, the scope, or the barrel. I found it was an odd coincidence that both problem rifles have Aero Precision lightweight scope mounts.
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Old 05-20-2018, 10:02 AM
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Quote:
Originally Posted by thorium View Post
I need to choose an optic mount that balances high quality and weight.

The mount will attach a very high end 1-8X scope (e.g., Swarovski Z8i or Schmidt & Bender PMII 1-8x) to a 16" BCM lightweight profile AR-15 upper.

Weight is a big factor. The build is not intended to be ultralight (e.g., using a mil-spec BCG) but definitely weight conscious... I want a scoped 16" AR as close to 7 lbs as I can get it.

Budget is not a factor, I'm considering everything thru a $450 Spuhr mount.

The core question:
I'm tempted by the light weight (3 oz) of the Aero Precision mount, and have used it on another SPR-type rifle with no issues, but given I'm dropping $2k on an optic, is a heavier 6oz-8oz mount (Spuhr, Larue, Bobro, etc.) in order here?

The final weight of the completely equipped rifle will be 7.7 lbs with an Aero mount, or 8.0 lbs with a heavier 8oz mount.
Buy a nice mount for a nice optic. If weight is an issue, stay away from QD mounts, as you will probably never use the QD function anyway. Maybe look into Geissele? I would prioritize build quality over one or two ounces extra if you find a better mount that weighs more, because you won't feel those extra ounces while you shoot.
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