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Is this trigger blade legal?

Posted: Tue Mar 28, 2017 8:24 am
by DFWdude
Advertised on this website as a trigger blade sitting on a ball joint, so that the blade conforms to the finger.
http://www.mec-shot.de/en/products/acce ... rigger-ii/

Back in the day, I made one of these myself, to include a removable anvil behind the trigger blade to stabilize it when presenting the pistol to inspection for trigger pull measurement. Remove the anvil to shoot. But I was always unsure (both then and now) whether it was allowed.

Image

Re: Is this trigger blade legal?

Posted: Tue Mar 28, 2017 8:43 am
by hundert
yes, I've seen them on air rifles. The ball joint is simply to rotate the shoe, after you've found your position, you tighten it and it doesn't move

Re: Is this trigger blade legal?

Posted: Tue Mar 28, 2017 8:49 am
by rmca
In the ISSF rules there are no restrictions on trigger shape or dimensions, as long as the pistol fits the box.

One thing you should be careful, specially if you set your trigger very close to the 500g (or 1000g), is that it's very easy to place the test weight in a groove that's not the middle one...
And that can lead to disqualification, or at least, an avoidable "bonding" moment with the equipment jury! ;)

Hop this helps

Re: Is this trigger blade legal?

Posted: Tue Mar 28, 2017 9:42 am
by DFWdude
I just took this picture of my 25 year-old swivel trigger design. The swivel is taken from a ball-joint control line connector for an radio control airplane. Either think outside the box, or live your life confined within one.

Re: Is this trigger blade legal?

Posted: Tue Mar 28, 2017 6:05 pm
by BobGee
Interesting concept though I'm not sure of the benefit. Doesn't/didn't the additional movement in the blade make the trigger release feel a bit "vague"?

I'd have thought that once you found your preferred position it would have been better to fix it.

Bob

Re: Is this trigger blade legal?

Posted: Wed Mar 29, 2017 1:20 am
by David Levene
Don't expect to be allowed to change the trigger for equipment control. It must be tested exactly as yo shoot it.

Re: Is this trigger blade legal?

Posted: Wed Mar 29, 2017 3:44 am
by DFWdude
David Levene wrote:Don't expect to be allowed to change the trigger for equipment control. It must be tested exactly as yo shoot it.
Exactly, and fairly so. That's the reason I didn't pursue it.

In reading about this newer trigger, I thought the rule had changed, permitting a swivel joint. But if it too, is locked in placed for shooting, then it's not the same as my design.
BobGee wrote:Interesting concept though I'm not sure of the benefit. Doesn't/didn't the additional movement in the blade make the trigger release feel a bit "vague"?
Actually, the feeling was not vague at all. More like balancing the finger on a pin head, similar to a Free Pistol button trigger. The key was to position the ball joint on the center of the finger, so that it would pull directly backwards. Positioned higher or lower then it was a bit "tippy" indeed.

Re: Is this trigger blade legal?

Posted: Wed Mar 29, 2017 7:24 am
by PFribley
90 euros. MEC thinks ighly of that blade!!!

Re: Is this trigger blade legal?

Posted: Wed Mar 29, 2017 8:40 am
by william
PFribley wrote:90 euros. MEC thinks ighly of that blade!!!
And I thought €64 for the TEC-HRO unit was nuts!