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I have purchased a 40-9 barrel for my 35 and was wondering if I needed anything else besides magazines.Will there be any Extraction problems?
I intend to use this for idpa.
9mm conversion barrels are very popular. All you need to get started is the barrel & magazine. The only issue with them is about 1% will fail to extract 115 gr loads. This failure is attributed to the weak load. "If" you have an issue with extraction you can try the following:
Lube the barrel & slide well then use a stiff grip.
Reduce the recoil spring weight to 11 lbs
Shoot 124 or 147 exclusively
thanks I will be using this for local matches so I was making sure it would not have reliability issues.
The odds are pretty good you will not have an issue. The only way to know for sure it to install a conversion barrel and take it for a test ride.
Well I went to the range and shot one hundred rounds of 124gr. federal. Had three FTE's all within the first thirty rounds. However I will say the guide rod and spring made a big difference in getting back on target quickly.
Did you drop the recoil spring weight to 11lbs?
No I was seeing if I could get away without changing the spring weight.
If I do change the spring weight can I still shoot with the stock .40 barrel?
If you had 3 FTE out of 100 rds using the factory spring I would venture to say you can get by with a 13lb spring.
I recommend switching recoil springs back up to the factory weight (or more) when shooting the 40.
Springs are cheap and easy to change if you have a LWD guide rod. http://www.lonewolfdist.com/Search.aspx?TERM=lwd-gr
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