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Nikon Prostaff 3-9X40 on a Marlin 336

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/06/2009 at 22:33
gilldawg79 View Drop Down
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Joined: September/06/2009
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Hi all,

I'm new to the forum and also to doing my own optics work on my rifles.  I have previously paid a 'smith to do all that, but I think I am perfectly capable of doing it myself.  I now have a place where I can sight my rifles in and get some long distace practice as well.  I made my first 300 yard+ shot this year and was quite pleased.  

I usually hunt with a .270, but I am real fond of levers and have been using a 336 for years as well.  I am real interested in the 338/308 Marlin Express and would like to get one, but I figured since I have a 336 what better opportunity do I have than to try out that Leverevolution ammo out in my 30/30 and really put it to the test.  

So, I bought the Nikon Prostaff 3-9X40 BDC and am planning on putting it on my 30/30.  Has anybody on here had any experiece with this scope and rifle combo?  I know it's setup for faster ballistics than the 30/30 has and I know it's probably not the same set up for a 30/30 as say a .270.  If I am not mistaken the Leverevolution bullets are +3@100 and about 0@200 and about -12@300.  Most of my shots will be within 300, but it won't be uncommon.  I really just want to see how well this bullet performs downrange.

I am just looking for advice on where to start with the 30/30 and that scope.  Start at +3"@100 and see where it hits at 300????  Any help would be greatly appreciated.  If it performs well and I get it sighted in correctly to use the holdovers in that reticle than I will probably continue to use it, but I am essentially doing it just to prove the ammo and get a .338 or .308 Marlin Express.

Thanks in advance!

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/07/2009 at 02:43
danjojoUSMC View Drop Down
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If zeroed at 100 yards, it would be roughly 170 yards, 240 yards, 320 yards, and 400 yards.

That is in average hunting conditions....the way the load is, it's almost the same thing if you zero at 50 yards...if that is more convenient for you.

It is possible to zero it at 200 (up until then the highest you will be is 3" which is ok for any big game) and your circles would be from there roughly: 250, 310, 380, and 450.

If you handload you can do Nosler 125gr. Ballistic Tip at 2600 fps and smoke the Leverevolution ammunition.  Just single load and make the shot count.

Using the 125gr. Ballistic Tip load sighting in 1.5" high at 100 yards the circles would be roughly 240, 310, 400, and 490 yards.

Remember you can use the tops or bottoms of the circles like they say in the manual to adjust the trajectory.

Run you stuff through http://www.jbmballistics.com/~jbm/cgi-bin/jbmtraj-5.0.cgi and see how you want to sight in.  Test it at every distance you would actually try to make a shot at and see if it is definite.  Some barrels are slow and some are fast even though they are the same make, twist, etc. and using the same ammo.  Make sure you do the elevation, temperature, etc. for your actual conditions.

Never go by factory velocity either....its a crap shoot.  My 380 pistol shoots Cor-Bon 90gr. loads 100fps faster than its supposed to, at least the lot of it that I have.  A lot of people who chrono their 45 FMJ that is supposed to be 830-850fps only get 770fps even with 5 inch barrels.  Imagine how much worse it could be with a rifle barrel.


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/09/2009 at 08:53
Randall45 View Drop Down
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Joined: June/25/2009
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Originally posted by danjojoUSMC danjojoUSMC wrote:

If zeroed at 100 yards, it would be roughly 170 yards, 240 yards, 320 yards, and 400 yards.

That is in average hunting conditions....the way the load is, it's almost the same thing if you zero at 50 yards...if that is more convenient for you.

It is possible to zero it at 200 (up until then the highest you will be is 3" which is ok for any big game) and your circles would be from there roughly: 250, 310, 380, and 450.

If you handload you can do Nosler 125gr. Ballistic Tip at 2600 fps and smoke the Leverevolution ammunition.  Just single load and make the shot count.

Using the 125gr. Ballistic Tip load sighting in 1.5" high at 100 yards the circles would be roughly 240, 310, 400, and 490 yards.

Remember you can use the tops or bottoms of the circles like they say in the manual to adjust the trajectory.

Run you stuff through http://www.jbmballistics.com/~jbm/cgi-bin/jbmtraj-5.0.cgi and see how you want to sight in.  Test it at every distance you would actually try to make a shot at and see if it is definite.  Some barrels are slow and some are fast even though they are the same make, twist, etc. and using the same ammo.  Make sure you do the elevation, temperature, etc. for your actual conditions.

Never go by factory velocity either....its a crap shoot.  My 380 pistol shoots Cor-Bon 90gr. loads 100fps faster than its supposed to, at least the lot of it that I have.  A lot of people who chrono their 45 FMJ that is supposed to be 830-850fps only get 770fps even with 5 inch barrels.  Imagine how much worse it could be with a rifle barrel.


Texas DPS had many failures to stop with the issued 45 ACP and found that the barrel on the service pistols were under 5 inches causing the poor results.Now Texas DPS has the 357 Sig and solved the problem.
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