vash_241987 Posted April 25, 2013 Share Posted April 25, 2013 (edited) I got my barrel back from Springer Precision, I got it throated to accept rds loaded out to 1.160". I made 7 loads, the first 4 were loaded out to 1.140". All loads tested were with hornady XTP 124gr. JHP with WAC as the powder, Fed small pistol primers and mixed brass. Used a Prochrono. These 4 were loaded to 1.140" String 1: 6.8 Hi 1386 Lo 1311 Av 1339 ES 75 SD 24 PF=166 String 2: 6.9 Hi 1426 Lo 1363 Av 1400 Es 63 SD 19 PR=173 String 3: 7.0 Hi 1426 Lo 1396 Av 1412 Es 30 SD 8 PF=175 String 4: 7.2 Hi 1474 Lo 1424 Av 1442 Es 50 SD 16 PF=178 These 3 were loaded to 1.160" String 5: 6.8 Hi 1394 Lo 1357 Av 1368 Es 37 SD 12 PF=169 String 6: 7.0 Hi 1447 Lo 1405 Av 1416 Es 44 SD 14 PF=175 String7: 7.2 Hi 1455 Lo 1426 Av 1441 Es 29 SD 11 PF= 178 My though: Shooting a compensated pistol for the first time with fast loads was a pleasant surprise. I can't describe it but there is a big difference. At first I was having problems with light primer strikes, but luckily I brought my stock striker spring and everything was fine as far as the gun going BANG!! I did have issues with FTE and also the spent casings not flying far enough, maybe its my right support thumb blocking most of the ejection port since I'm a lefty. Here is the vid with the light primer strikes, look at those horrible flinches lol. (Click on pic to view video) I am glad that I got the barrel throated as I noticed that the shorter OAL were showing signs of too much pressure causing close to flattening primer effect. The longer OAL primers seem to fine though. I'm thinking I may end up sticking to a 6.8 or a 6.9 of WAC and have a OAL of 1.160". Once I get more bullets in, I'll tinker with the recoil springs a little more, currently I am using a 1911 guide rod made for the XDm with Wolff 13lb spring. Suggestions appreciated!! EDIT: Fixed the issue with the layout. Stupid MacBook, apparently my chrome browser is acting up and won't let me post replies or start new topics. Had to write this up on word then send it to my email on my iPhone. Then copy and paste it to this forum from my iPhone....geez Edited April 25, 2013 by vash_241987 Link to comment Share on other sites More sharing options...
DRichardson Posted April 25, 2013 Share Posted April 25, 2013 The ejection issue may be too heavy of a recoil spring. Drop it down to 11 or so and retry. Remember with a XDm going too light with the recoil spring can cause it not to go into battery consistently though. Good lookin slide. Got any better pictures? Link to comment Share on other sites More sharing options...
vash_241987 Posted April 25, 2013 Author Share Posted April 25, 2013 The ejection issue may be too heavy of a recoil spring. Drop it down to 11 or so and retry. Remember with a XDm going too light with the recoil spring can cause it not to go into battery consistently though. Good lookin slide. Got any better pictures? Sure! Link to comment Share on other sites More sharing options...
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