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Forum Index > Optics > Scope magnification

Scope magnification

13 Feb 2015
@ 10:09 am (GMT)

Russell

Hi every one, reading Nathans article "Basic Rifle Accuracy and Ballistics" he mentions a rifle to be used at 300yrds needs to be able to shoot 1inch at 100yrds or moa. I've just recently bought a ruger hawkeye laminate stock in 6.5x55 and I want to measure the rifles accuracy. He mentions that most patient adults can shoot moa or less and I'm fairly disiplined and pedantic about my shooting. How much magnification do I need to shoot moa or even .5 moa at 100yrds, 200yrds and 300yrds. This would be shooting prone off sand bags. I currently have a bushnell elite 3200 3-9x40 on it, I'm not sure if this would let me put the cross hairs in exactly the same position each time.
Thanks.

Replies

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13 Feb 2015
@ 06:56 pm (GMT)

Thomas Kitchen

Re: Scope magnification
hi russel
you should be fine with your scope.
most people use a 3-9x40 scope its only once you start pushing range more magnification helps, that said if you were going to buy a new scope go for more magnification.
if you go into the knowledge base there is a target download that nathan has made, these targets a awesome for doing 100 yard groups
13 Feb 2015
@ 09:06 pm (GMT)

Nathan Foster

Re: Scope magnification
Hi Russell, I was using a 4x40 yesterday- quite adequate but definitely on the low side for shooting really tight groups. Your Japanese made 3-9x40 should be more than adequate for the job of getting within or inside MOA.
13 Feb 2015
@ 09:06 pm (GMT)

Nathan Foster

Re: Scope magnification
Thanks Thomas- yes the targets make things a lot easier, certainly helps when using a 4 power.
14 Feb 2015
@ 09:48 am (GMT)

Russell

Re: Scope magnification
Ok , thanks guys it sounds promising, I just didn't want to start modifying things until I had a bench mark to start from, so could I expect to still be able to shoot moa at 300yrds with the 9x? Once I get this rifle shooting I want start practicing on hares but when I go hunting its mostly bush stalking and close shots so don't want to put a bigger scope on this rifle just yet.
Thanks again and looking forward to your next book Nathan I think it's the one I've been wanting the most.
14 Feb 2015
@ 09:58 am (GMT)

Mike Neeson

Re: Scope magnification
I have a Bushnell 3 to power and yes, you it will work fine. Marine snipers used to shoot (still do?) out to 1000 with 10x scopes. Mr Hathcock worked some magic with his Unertl 8x scope. Just keep everything the same, same head position, good picture through the scope (no clouding on the edges) and a good trigger release - oh and don't forget to hold that fore end!
14 Feb 2015
@ 09:59 am (GMT)

Mike Neeson

Re: Scope magnification
Aaargh! wish I could edit. should read: 3 to 10 power
15 Feb 2015
@ 12:27 am (GMT)

Thomas Kitchen

Re: Scope magnification
best kinder way i can explain if you need more magnification is if you start shooting at an animal not a part of an animal, hence why varmint hunters tend to use high magnification then big game hunters. main thing is check how your gun/setup is shooting at 100 yard then go from there.
15 Feb 2015
@ 09:51 pm (GMT)

Bryan Webster

Re: Scope magnification
I would just like to add that assuming you have not used a lot of different scopes including higher magnification ones, you might at first find it difficult to deal with the tiny field of view compared with say the Sightron III 3.5-10x44 scope...great scope there by the way. 150 MOA elevation adjustments, perfect tracking, no need for a canted rail or base to shoot out to 800 meters or beyond, and best of all a decent 27.8 feet of viewable real estate at 100 meters. Compared to less than 19 feet with the 6-24x50 with 100 MOA of elevation adjustment.

The biggest benefit to upgrading to a new scope is so you can dial in your scope to hit at longer ranges, and yes, 10x in that Sightron would be far more effective than the one you have.
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