Choosing correct recoil spring weight

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Choosing correct recoil spring weight

Post by rlabbe on Fri Jul 08, 2011 7:10 am

How does one choose the correct spring rate for a 1911? I bought the Wolf kit with springs in 1/2 lb increments. I have installed (if I remember correctly) the 12lb spring, and I'm getting no failures. Cases are going maybe a foot past the gun when ejected. I've read 'don't let the gun batter itself to pieces' but being new to the 1911 that's a bit hard to judge. Do you just install heavier and heavier springs until you start getting malfunctions and back off a half pound or so, or do you judge by how forcefully the cases are flung away, or ??? Any help appreciated.

rlabbe

Posts : 18
Join date : 2011-06-11
Location : Golden, CO

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Re: Choosing correct recoil spring weight

Post by Cort on Fri Jul 08, 2011 3:41 pm

I keep increasing the spring weight until the gun no longer locks open after the last round but works perfectly otherwise. Sometimes I leave that spring in and sometimes I use a slightly lighter spring.

Cort

Cort

Posts : 23
Join date : 2011-06-17

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Re: Choosing correct recoil spring weight

Post by rlabbe on Mon Jul 11, 2011 7:08 am

Okay, thanks, I'll try that.

rlabbe

Posts : 18
Join date : 2011-06-11
Location : Golden, CO

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I use the Info from the Wolff spring site

Post by Art on Tue Jul 12, 2011 12:26 pm

I use Wolff's recomendation:

http://www.gunsprings.com/faq


3. What weight recoil spring should I use with a particular load?
This is a very common but hard question to answer in exact terms and in most cases an exact answer is not possible. There are many factors which influence the correct weight recoil spring to use. These factors include the particular ammunition brand and load, individual pistol characteristics, individual shooting styles and your individual, subjective feeling of how the gun shoots and should feel.

The factory spring weight is designed to operate the pistol with what would be considered average loads, plus or minus a little. It is not uncommon for manufacturers to specify what they consider a factory ammunition load.
In general terms, the heaviest recoil spring that will allow the pistol to function reliably is the best choice - tempered by the above factors. As a rule of thumb, if your spent casings are first hitting the ground in the 3 to 6 foot range, then the recoil spring is approximately correct. If you are ejecting beyond the 6-8 foot range, then a heavier recoil spring is generally required. If your casings are ejecting less than 3 feet, a lighter recoil spring may be needed to assure reliable functioning.

Taking these factors into consideration, it then comes down to how the gun feels and performs when shooting - in your judgment. However, using too light a recoil spring can result in damage to the pistol and possible injury to you.

Art

Posts : 42
Join date : 2011-07-03

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Re: Choosing correct recoil spring weight

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