What is a "double pull" trigger?

I'm going w/ SAAMI:

TRIGGER, DOUBLE PULL (2 STAGE)
A trigger which has two distinctive pull characteristics. The first or take-up
stage is usually long and light in pull force; the second stage having a short
but distinct increase in the pull force required to discharge the firearm.
http://www.saami.org/glossary/display.cfm?letter=T

In "American"... Two-stage/military
 
2-stage trigger is way more popular in Europe than in the States. Americans just have this unexplainable "thing" with single-stage triggers. Even military arms start having single-stage, namely ar-15.

-TL
 
Even military arms start having single-stage, namely ar-15.
Click to expand...

Small point of order, the AR-15 is not a military arm. It is a sporting arm. M16s are military arms.

Any trigger with a degree of "take up" or "slack" (sometimes called "creep") COULD be described as a two-stage trigger. Arms deliberately designed that way are correctly called "two-stage trigger". The US 1903 Springfield, 1917 Enfield, M1 Garand, M1 carbine, and M14, to name a few, were designed that way.

Virtually every "untuned" semi auto has some amount of take up in it's trigger, and could be called two-stage because there are actually two stages, even if not designed that way intentionally.

Some think it's a European affectation, but it's an unstated safety feature, especially in military rifles. The gun designers recognized that no matter what training they get, soldiers WILL move around the battlefield with the safety OFF and their finger ON the trigger. The first stage of the trigger helps prevent (not eliminate) accidental discharges.
 
"I see they describe the trigger as a "double pull". What does that mean?"

It means the advertising agency that wrote the ad or description knew NOTHING about firearms.
 
Uuuuh..... No.
Double Pull is an/the original term for 2-stage, and still used in European (e.g., Walther) parlance.
 
I have a Walther GSP with the two-stage trigger for bullseye competition. The trigger took a bit of getting used to, but I've come to really like it. Both stages are independently adjustable, and if you decide you really don't like the two stages it can be adjusted to function as a regular single stage trigger.
 
OP, I picked up a NIB Hammerli Xesse Sport a few weeks ago. My second Hammerli. The two stage trigger on those guns are great! Two different forces (pull weight) to contend with and the feel of both stages is outstanding. At the time I picked up the Hammerli from my LGS, he had just received a NIB S&W Model 41. So, I bought it, too.

A few weeks before that, m/b a month and a half ago I'd bought a Ruger Mark iii Hunter TALO model, 5.5 inch barrel. I equipped it with Volquartsen Accurizing Kit. I been shooting the Hammerli and the Ruger using C-More red dots; and, the Model 41 with a Burris FastFire lll. All three guns are very accurate. I've been getting the best results with the Hammerli. I feel it's because of the trigger control with the two stage trigger.

I have to mention I've been shooting an identical Model 41 for over two years, so I'm really adjusted to a Model 41.

And, to show my feelings for two stage triggers; I just installed one in a LWRC IC M6 SPR, an AR clone. My shooting buddy and I were shooting rifles on Tuesday; he has three AR's. He wouldn't believe how much better the M6 shot. It was shooting 3/4 inch groups; IMO simply because of trigger control.

I think two stage triggers excel at target shooting; and probably in sniper work. Sniper work is just a guess on my part.
 
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