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Fotis
Optics Journeyman Joined: January/09/2011 Location: Wyoming Status: Offline Points: 304 |
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Posted: July/17/2012 at 22:16 |
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First two shots with 260 accubonds and H4831 went into the same hole. So far so good,
Third shot went .8" away. OK I can live with that.... Fourth and verifier 3" away. Oh Oh! To make a long story short loads were 260 AB 112 113 H4831 230 Raptors H4350 270 Hornady H4831 250 TTSX with RL22 300 Sierra BT IMR 7828 300 Sierra BT RL25. Best group (after the initial group) was 3.5-4" worst was 10" at 100 yds. This is a 4.5x14x40mm MARK 4 30mm strongest scope they make. Before this she broke a 3.5x10 VARI x-3 and a 4.5x14x40mm 30mmtube LR VX3 What to do? Called Leupold and they were amazed. The manage said sent the scope back to his attention to analyze it in the impact department. I had a lead sled before this. Based on Leupold's recommendation I sold the lead sled. Too much on the scope. They told me to get the Mark 4 toughest scope they make. I did and that is what broke today. It does have a muzzle brake. Darn that 378 WBY MAG! Was thinking on a Nightforce. Nightforce is great but it looks so out of place on a 8.5 lbs light svelte looking sporter. Edited by Fotis - July/18/2012 at 20:09 |
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koshkin
MODERATOR Dark Lord of Optics Joined: June/15/2004 Location: United States Status: Offline Points: 13181 |
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What do you use this rifle for?
You did not mention the caliber. Is there a specific scope configuration you need for this gun?
ILya |
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300S&W
Optics God Joined: January/27/2008 Location: Burlington,WV Status: Offline Points: 10592 |
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.375 caliber
I'm guessing .378 Weatherby. If not then a wildcat.
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"I ain't got time to bleed!"
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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What kind of mounts were you using?
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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Fotis
Optics Journeyman Joined: January/09/2011 Location: Wyoming Status: Offline Points: 304 |
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378 Weatherby, my long range elk gun,
Krieger barrel Japanese lasermark. 8.5 lbs bare naked. About the bases and rings no movement at all. Leupold steel bases with steel QRW rings. |
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Kickboxer
MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 23679 |
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Very nice looking rifle... I've been meaning to get one of those...
Put an SS 5-20 on it... problems solved. However, I've used a Mark 4 on a Barrett M107... It did everything I wanted/needed.
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Opinion,untempered by fact,is ignorance.
There are some who do not fear death... for they are more afraid of not really living |
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Fotis
Optics Journeyman Joined: January/09/2011 Location: Wyoming Status: Offline Points: 304 |
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Yup that is what leupold said. They test them on their 50 cals. They also said the scope might be too heavy for that setup....
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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If you have a heavy recoil rifle I still believe the most durable scope to be a fixed power scope. I have
owned several Mk4 scopes and quite a few Super Sniper scopes this would be high on my list: Plus I believe the size of this will suit that rifle better.
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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If you must use a variable I think this would also be a good choice, but I still believe the fixed power scope to be tougher because it has less moving parts.
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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Fotis
Optics Journeyman Joined: January/09/2011 Location: Wyoming Status: Offline Points: 304 |
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Anyone have any opinions on the Swarovski Z3 3-10x42? 12 OZ scope....light
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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The z3 is a fantastic scope, but I believe it's a step in the wrong direction if you intend to put this on the .378.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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Fotis
Optics Journeyman Joined: January/09/2011 Location: Wyoming Status: Offline Points: 304 |
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Due to leupold's statement that the Mark 4 was too heavy, I was looking at the lighter ones.
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stickbow46
Optics Master Extraordinaire Joined: January/07/2009 Location: Benton, Pa Status: Offline Points: 4678 |
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If you don't want the SS than take a look at Minox ZA5 6-30x56 @ 20.5 ozs.
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Pearls of Wisdom are Heard not Spoken
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Jon A
Optics Journeyman Joined: March/14/2008 Location: Everett, WA Status: Offline Points: 670 |
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That's a copout. First, that certainly isn't the toughest scope they make. The "real" MK 4's, the original fixed 10X and 16X, were built to be pretty much indestructible, the 4-14 and others were converted hunting scopes. Yes, they did add an extra erector spring at some point and some other things but they were never built to the same standards. The new MK 6 and 8's are too new to have much durability history yet but I'll bet if you talk to somebody in their tactical division about those scopes you won't get any of this "too heavy to take recoil" BS. Weight is only a "problem" for poorly designed/built scopes. Many things you do to a scope to make it stronger makes it heavier as well. Yes, a light POS will generally outlast a heavy POS on a hard kicker, but a really strong scope--no matter what it weighs--will have better odds of lasting than either. If you put a Nightforce, 5-20 SS, any of the various S&B PMII's, etc, on the rifle the overwhelming odds are your problems will be over forever as long as your mounting system is up to snuff. On that note, I don't have a lot of faith in the PRW's in hard kicking applications as I've seen the recoil key come loose and get crunched a couple of times. If those bases can take picatinny rings I'd suggest a more durable set. Mine won't fit but it looks like Seekins might. A one-piece rail glued down opens up mounting options and gives much peace of mind. A light rifle that is extremely hard kicking upon which you wish to mount a heavy long range scope is the hardest application there is for scope mounts. It's not the rifle to be skimping on them with. |
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RifleDude
MODERATOR EVIL OPPRESSOR Joined: October/13/2006 Location: Texas Status: Offline Points: 16337 |
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...And by any measure, a .378 Wby is a vicious kicking beast that places great demands on scopes and mounts!
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Ted
Money can't buy happiness... but it's much more comfortable to cry in a Porsche than on a bicycle. |
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koshkin
MODERATOR Dark Lord of Optics Joined: June/15/2004 Location: United States Status: Offline Points: 13181 |
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A couple of points: -Scope weight puts all sorts of stress on the mounts. For a beast like this scope, get high quality mounts. -A scope is either designed for high recoil applications or it isn't. You can not judge that by weight of the scope. Leupold variables are not built especially well for the most part (there are exceptions), so they try to steer you in a different direction. ILya
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budperm
Optics Retard show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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I'd listen to ILya, fotis. He's our resident Optic engineer and tells it like it is!
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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gulf1263
Optics Apprentice Joined: June/15/2011 Location: Alaska Status: Offline Points: 212 |
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Leupold builds their 1.5x5, 1.75x6 and 3x9 in the VX 3 line to take hunting rifle recoil.
Their tactical scopes are also designed to take heavy recoil, vice USMC Scout Snipers with Barrets. First check out the mounts, I have seen .460 Weatherby's actually flex and bend the mounts. Check your bedding, is the action moving in the stock or is the barrel moving and hitting the forend? Check the scope over to see if it is moving in the mounts (Locktite can be your friend here) then check it on a rifle of much lower recoil force to see if it is trashed. If the scope is trashed or a bad sample send it back and get a new one or ask to be upgraded and offer to pay the difference. IMHO certain calibers can destroy variable power scopes no matter who makes them. (Nightforce, Hensoldt, S&B and SWFA are exceptions) If you intend to upgrade ask Leupold to recommend a scope for your rig that will work for long range..they will have something, you may need to talk to an engineer to get the correct info. Nighforce and others make stout mounts that will take the recoil, you may end up spending $500.00+ on mounts before you find something that can take the recoil. Leupold makes scopes that work on .338 Lapua and .50 BMG, they should have one that will work on your .378, talk to an engineer and get the straight scoop. Press on and good luck. Art |
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Good day.
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Fotis
Optics Journeyman Joined: January/09/2011 Location: Wyoming Status: Offline Points: 304 |
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I understand. My initial wish was to keep the rifle as "sporty"as possible, hence the 3.5x10x40. Lightweight and svelte. Apparently I have to go heavy robust and bulky to tame this monster.
Well thank you fellas for all your input. I truly appreciate it |
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JGRaider
Optics Master Joined: February/06/2008 Status: Offline Points: 1540 |
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They all fail at times, including all the euros. Get a fixed Leupold 4 or 6x and call it good.
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