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  #1  
Old 12-30-2016, 10:11 AM
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Bushnell Scopechief 4x


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I have an old Bushnell Scopechief 4x scope that I inherited, and I was wondering what increments the range adjustments are in...they look like 1/4moa but if so I think it only has about 10moa of adjustment total (5 each way if zeroed in the center) I'm not 100% on it as it's currently in storage and I won't be getting it back until sometime next week. I have it mounted on a ruger american .308, and by my estimation 5moa of adjustment with a 100yd zero would only give me a maximum range of just over 300yds with most ammo. Is there anyone here that is familiar with these scopes that would know for sure?
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  #2  
Old 12-30-2016, 10:39 AM
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Here is an image I found online of what the turrets look like.

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Old 12-30-2016, 10:51 AM
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Some of the older scopes have a little sticker inside the turret cap that tells the adjustment increments. I have an older Scopechief VI that I'll check to see if it's marked.
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  #4  
Old 12-30-2016, 10:55 AM
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My scope is actually a Scopechief IV 2 3/4X and is marked 1/2" per click. Your maximum range would be determined by zeroing at a specific range (I'd suggest 200 yards which is about 2" high at 100 yards for most .308 loads) and then learning the drop at longer ranges. You'd then simply use the holdover needed at 300, 350 and 400 yards.
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Last edited by Tnhunter; 12-30-2016 at 10:58 AM.
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  #5  
Old 12-30-2016, 11:08 AM
nsb nsb is offline
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Morris896, I had a couple of those scopes "back in the day" and IIRC, they were a decent scope at the time. I think they were Japanese and were originally sold as B&L scopes. Bushnell ended up buying B&L sport optics and they were rebranded as ScopeChief scopes. I don't remember the exact range of adjustment on them, but it wasn't a lot. Still, I think it was more than the ten inches total you mention. Even if it is 5" at center as you state, that does't limit you to shooting 300 yards. You'd only be limited if you were trying to use the center of the reticle to shoot with at that distance and that's not how it's typicaly done on a scope without target turrets. If you have a four plex reticle, you can determine how much drop there is between the center cross hair and the thicker post below the cross hair and use that as an aimpost for longer distances. Another option is to calculate the drop at a known distance and simply use some hold over to compensate. Hopfully someone older than me with a better memory, or an owner who kept the paperwork, will jump in and give you a better answer than mine. Good luck.

Edit: I see where TnHunter jumped in while I was typing and answered it pretty well.
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Last edited by nsb; 12-30-2016 at 11:14 AM.
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Old 12-30-2016, 11:12 AM
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I don't think I ever looked inside the cap, I will have to do that when I get it back. Does yours have the same hash marks? (three small lines in between the large lines?)
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Old 12-30-2016, 11:12 AM
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Just took a look at mine. It's a Scopechief IV. No increment info in caps. Man, I've had that scope a while. It, I believe, came on the Sako Finnbear I bought yeeears ago. The Sako is an 1963. I bought it in 1997. Sorry, no help on the adjustments. That old scope is now on a .22 rifle. Still as clear as a bell.
nsb, you brought up a good point; mine does have Japan stamped on the bottom portion of the tube.

Last edited by Rifletom; 12-30-2016 at 11:16 AM.
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Old 12-30-2016, 11:24 AM
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I may be remembering incorrectly about how much adjustment there was, it might have been 10moa from the center (assuming the hashes were 1/4 moa). It's also a fine crosshair, but it does have the command post, which seems to be fully functional.
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  #9  
Old 12-30-2016, 11:36 AM
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Scopechief IV

Here's a picture of the adjustment dial. FWIW, I doubt very much the adjustment increment on an older scope like that would be 1/4". I actually own an older, lower power Redfield that adjusts 1" per click at 100 yards. I'd say chances are pretty good that it's 1/2" and certainly no less.

Mine is also the Command Post Model. A little trick many have used while hunting is to put a very small piece of electrical tape on the command post ring, not allowing it to change as you're hunting.
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Bushnell Scopechief 4x-1230161427.jpg  
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Last edited by Tnhunter; 12-30-2016 at 11:41 AM.
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Old 12-30-2016, 11:57 AM
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Mine doesn't have the ring (I'm assuming from reading that some models the command post is operated by a ring similar to what you would use on a variable power scope). On mine the command post is operated by a small red lever that is kinda wedged underneath the windage knob.
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  #11  
Old 12-30-2016, 04:29 PM
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I have a number of them. All excellent.

Two of mine are Command Post. I still believe these were the best scopes made; and try to buy some on E-bay periodically.

The adjustments are 1/4 ". The CP is activated magnetically, with a ring like the power selection ring. About a 60o twist of the ring, and the CP jumps up. The ring has a + and a o to let you know when the CP is up. the CP is a large black ost that meets right at the horizontal part of the cross hair. JUST a fantastic feature, if you are hunting in thick stuff, shooting fast, or have old foggie eyesight.

I never sighted them in for anything longer than 150 yards. But alway had enough adjustment.

Two downsides:
1) These were expensive scopes and Bushnell gives no warrant work for them. I sent one in for repair; they offered to keep my scope and give me a $20 of list coupon on a similar one. Which meant I could use their coupon to by their scope for about $50 more that the same scope from Midway.

2) they have mechanical crosshairs, not etched on glass lens. So with years the hair can dry out and then it will break; it will look like a turned up mustache. I've not found anyone who would fix this. When this happens, the CP still works. some of mine are from the 1960s, and I'd not put them on my heaviest recoiling rifles as the crosshairs are brittle now.

I wish someone smart like Burris or Leupold woud pick up the technology (it is public domain) and make a CP scope.

Last edited by HarrySS; 12-30-2016 at 04:35 PM.
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  #12  
Old 12-31-2016, 11:47 AM
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How much adjustment is plenty? I'm using this as an all purpose setup. It's set up more like a hunting rifle, but will realistically spend more time at the range. I really want to see how far I can take this combo out. I know neither the rifle or the scope are suited to target shooting, but that's just part of the fun to me.
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  #13  
Old 12-31-2016, 12:13 PM
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If you can sight the rifle in at 2" high at 100 yards, that's all the adjustment you will need. That scope and adjustment system does not lend itself to adjusting for various different ranges. Simply said, that scope cannot do that.

As already mentioned a couple of times now, you should simply zero it at 100 or 200 yards (I'd recommend using a 200 yard zero) and then learning the drop at longer ranges; 300, 400, etc. You'll then have to hold over to hit at longer ranges.
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  #14  
Old 12-31-2016, 04:36 PM
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4x is not worth shooting over 200 yards.
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Old 01-01-2017, 04:27 AM
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I have Nick Storebel's "Old Rifle Scopes" which is a great reference and possibly the only complete reference on old scopes. From these pages I'm pretty versed in the Bushnell series as I like and use their scopes. ScopeChief was the original offering by Bushnell 1953. It was actually named Scopemaster but renamed in 1954 and was produced through 1985. The model should not be confused with the ScopeView line which appeared in 1983, it served as the Company's rock bottom offering.

ScopeChiefs went through five generations (1954-1985) with the second through fifth reference by roman numeral. Here are the specs listed in the reference:

FOV: 33' @ 100 yds
Luminosity: 64
Eye Relief: 3.0" to 4.5"
Length: 11.625"
Weight: 9 ounces
Tube: 1"

By Series V the luminosity had increased to 96 which is still relatively low by today's standards. Most scopes now measure in the high 100s or low 200s. I have a ScopeChief 3X that arrived via a Marlin 375, it has the fine wire crosshairs with the retractable "Command Post". The adjustments on the cap are 1/3 MOA at 100 yards.

HarrySS offered some words of wisdom above and from reading the OP it seems that the turret adjustments might be manipulated for POA adjustments rather than to adjust for a specific POA and left alone. From a guy that uses old Bushnells and Weavers, it would be a mistake to treat these turret adjustments like a modern tactical scope. They were not designed for this use and the odds that they will fail with this use are high.
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  #16  
Old 01-01-2017, 08:31 PM
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I had not considered that, I think I am going to be just zeroing it at two hundred or 250 and leaving it for just hunting. I'll buy something else for the range.
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