<< Previous Topic | Next Topic >>Return to Index  

Burris Scopes.....

November 1 2008 at 1:27 AM
Model48  (Login Model48)
from IP address 69.153.244.233

 
Anyone using a Burris airgun rated scope on a 48/52/54? These scopes are well respected in the powder burning community, pricey, but not too pricey. I recently ran across some airgun rated versions at Midway USA and wondered if anyone is using them. I suspect that they are way too pricey for most of the general airgun community since they cost nearly as much as an RWS 48 series rifle. However, I am determined to conquer my 48 in the scope eating department and might consider giving one of these a try.....

 
 Respond to this message   
AuthorReply

(Login HectorMedina)
201.144.15.241

Burris is a respected name

November 3 2008, 11:51 AM 

In the worst of cases, you can get a new, or different one, if it fails.

If you have a properly mounted (meaning stress-free) mounted scope that is properly drooped, or if you correct your barrel angle to eliminate or even overcompensate a little for droop, most good airgun scopes should be quite OK with the 48/52/54 family of guns.

If you start inserting shims, or otherwise stressing the scope, if you have a drooped barrel that needs putting the elevation screw farther than 1/2 the range up, or if the mounts allow for vibration to be transmitted to the scope, then you have and will have problems.

If your guide is too loose, if your seals are not sealing, etc. you will have problems.

To me scope death (as long as it is a proper airgun scope) is a SYMPTOM, not a disease. It needs to be cured from the origin.

JMHO





Hector

Un Abrazo!




H�ctor

 
 Respond to this message   
Model48
(no login)
69.153.244.233

Thanks for the input Hector - another question....

November 3 2008, 4:21 PM 

I solicited your input on another thread, you may not have seen it or I may not have seen your response.....Here it is again:

Can a single loosening of a mounting system result in a failure of a scope? In other words, one shooting session wherein you think its you, and not the equipment only to find your mount has loosened or failed in some way?

The reason for the question, I'v mounted several scopes on my 48 only to have various mount problems. When first mounted, accuracy was one hole. Seems that after discovery/correction of the problem (loose screw, defective mount) etc that one hole accuracy never returns with the scope that was on there before the loosening. This has happened with several scopes specifically made for air guns, including a Diana fixed 6x (which I love but am now beginnning to question if its damaged...

Let me know your thoughts!! How does one determine if there's a scope problem, short of returning it to the factory? I dont have a battery of heavy recoil springers to switch it to to see if it the gun, the mount me or the scope.

 
 Respond to this message   

(Login HectorMedina)
201.144.15.241

Sorry to have missed your question, M48

November 4 2008, 4:24 PM 

Actually it IS a very good question.

Let me preface a little by saying that in airguns there are TWO factors that affect the scopes performance, and they DO have an order of precedence. In this our beloved and very complicated sport, the order of the factors DOES affect the outcome.

The first factor is VIBRATION. Vibrations loosen anything not securely fastened. Once something is loose, then it has space to accelerate when recoil happens, and here we come to the second aspect:

RECOIL is just a force, it will accelerate things that are not securely fastened. If things do not have space to accelerate, then they don't suffer nor inflict damage. ONLY when recoil happens and things are loose is when things get damaged.

Therefore to answer your question:

YES.

A SINGLE loosening of mounts, or scope or anything that develops enough space to accelerate and cause damage WILL cause damage.

Once loose, scopes will never be the same, they do not "heal" like you or me.

A simple way of deciding if a scope has lost it's solidity is to set it on V blocks, mark exactly where the scope is positioned, and aim at something. Then rattle the scope a little and place it again in the V blocks in EXACTLY the same spot. If it returns to the same POA, chances are it is good. If it does not, for sure it is out of whack.

A not so simple way to determine is shoot a square: You shoot 10 shots, then click up 30 clicks, then left 30 clicks, then down 30 clicks, then right 30 clicks, it should return to the same POI/POA, if it does not, then it is out of whack.

One of the ways tunes help scope survival is by reducing the vibrations aspect. Another very important factor in the mounting of the scope is that it should be stress free. Therein lies the BIGGEST advantage of custom drooped mounts, as provided by Mac-1.
If you think your scope is mounted stress free, shoot a group with the rear mount slightly loose but the front one tight, and then another group with the front mount slightly loose and the rear one tight. If the POI moves, then there is stress in the mounting setup.

Keep well!



Un Abrazo!




H�ctor

 
 Respond to this message   
Current Topic - Burris Scopes.....
  << Previous Topic | Next Topic >>Return to Index  
Find more forums on Air GunsCreate your own forum at Network54
 Copyright © 1999-2009 Network54. All rights reserved.   Terms of Use   Privacy Statement