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Old 11-13-2008, 10:48 AM
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Standard BB trigger pull weight?



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Does anybody have a figure on trigger pull weight for an out-of-the-box Biathlon Basic?

I'm really comfortable with my BB trigger just the way it came,
and I'm thinking about getting my Sako Quad trigger worked on
to be as close as possible to the BB.

Last edited by aom22; 11-15-2008 at 11:32 PM. Reason: Restore Original Title
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Old 11-13-2008, 11:12 AM
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Biathlon Rifle Triggers

Quote:
Originally Posted by toivo View Post
Does anybody have a figure on trigger pull weight for an out-of-the-box Biathlon Basic?
The following threads will get you started:
BI 7-2 Trigger Modification & Stage 3 - Trigger Mechanism Adjustments and Modifications
BB Trigger Stop Anybody & Trigger Adjustment
Biathlon Basic Trigger Adustments ... Trigger Modifications for Unadjustable Triggers
improvements/ modifications to the BB mechanics

Trigger Illustrations - midwest swiss
Quote:
A few trigger pic.






Just thought I might like some of those trigger options installed on my
BB. Be care-full if you work on your trigger.
Midwest Swiss
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W. Edwards Deming ... Quality: It is not enough to do-your-best;
you must know what-to-do, and ... then ... do-your-best.
Ever-Onward ... Through the Fog ---- Fort Stockton TX 79735

Last edited by aom22; 11-13-2008 at 12:37 PM. Reason: Add Link & Text
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Old 11-13-2008, 04:08 PM
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When I received mine,
I checked it with my RCBS trigger pull scale.

It was consistently breaking at 2.5lbs.

After taking it apart, I
removed almost all of the first stage,
and it now breaks right at 17.5oz.
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Old 11-13-2008, 05:20 PM
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Quote:
Originally Posted by AzizaVFR View Post
When I received mine,
I checked it with my RCBS trigger pull scale.

It was consistently breaking at 2.5lbs.
OK--I can get that from my Quad just by the adjustments,
without trigger work.
Good to know. Thanks.

Thanks to AOM too--I'm not going to work on the BB trigger just yet.
I'm pretty satisfied with the way it is.
But I might get there someday.
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Old 11-15-2008, 11:20 PM
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BI-7-3 (BI-7-2) & BI-7-4 Trigger Illustrations

DOUBLE CLICK IMAGES FOR LARGER VIEW
Illustrations of BI-7-3 (BI-7-2) & BI-7-4 Triggers (Excerpted from Service Manual)




BI-7-4 Trigger Adjustment (Excerpted from Service Manual)
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you must know what-to-do, and ... then ... do-your-best.
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Old 11-16-2008, 01:14 AM
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Biathlon Basic Trigger Pull

Quote:
Originally Posted by toivo View Post
Does anybody have a figure on trigger pull weight for an out-of-the-box Biathlon Basic?....
BI-7-2KO hunting rifle
Quote:
Trigger pull, adjustable, N (kgf), within 4.9..9.8 (0.5..1.0)

(Factory Claim: Approximately 1.10 ft/lbs to 2.20 ft/lbs)
EAA’s Biathlon Basic .22
Accurate Out-of-the-Box

by Scott Smith
Quote:
Overall the EAA Biathlon Basic is a well-made rifle.
The fit and finish of the rifle is good,

trigger pull is about two to three pounds-crisp, and no creep.

This is a solid, well-built rifle-no frills, no bells or whistles; just a good rifle.
The Biathlon Basic is Back!
Now from Russian American Armory

by Jeff Quinn
Quote:
Now we come to the most impressive part,
to me at least, of the rifle; that wonderful trigger!

The trigger pull on the sample rifle measured just
one pound and six ounces on my digital trigger pull gauge.


The pull has about an eighth inch of take-up
and then a perfectly crisp feel as the sear is released.

It is absolutely the best trigger pull that
I have ever found on a rimfire rifle, at any price.
__________________
W. Edwards Deming ... Quality: It is not enough to do-your-best;
you must know what-to-do, and ... then ... do-your-best.
Ever-Onward ... Through the Fog ---- Fort Stockton TX 79735

Last edited by aom22; 11-16-2008 at 01:35 AM. Reason: Add Link
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