owg666 2 Posted August 12, 2017 Amazing how a tiny variance in shoulder height makes all the difference in the world to a semi-auto gun. The round on the left cycles fine. The one on the right ...... not !!! Both reloads. Sent from my iPhone using Tapatalk Quote Share this post Link to post Share on other sites
Vlad G 345 Posted August 12, 2017 Its not so much that the AR is touchy, but that when reloading it is important to make ammo in spec. 7 Quote Share this post Link to post Share on other sites
owg666 2 Posted August 12, 2017 This is true. Sent from my iPhone using Tapatalk Quote Share this post Link to post Share on other sites
My1stGlock 144 Posted August 12, 2017 Are you reloading yourself? same batch of casings? OR are you buying reloads? Same vendor? Diff vendor? Just trying to get clarification...Looks like you are reloading yourself. Quote Share this post Link to post Share on other sites
owg666 2 Posted August 12, 2017 Yeah I reload myself. My first venture into .223. Brass is PMC. All my experience is with milsurps. 6.5mm up to 8mm. Swiss, Swede, Yugo, Spanish etc. I ordered a slotted case gauge from Sheridan Engineering to ensure my reloads are in spec. Semi-autos much less forgiving than bolt rifles. Sent from my iPhone using Tapatalk Quote Share this post Link to post Share on other sites
JackDaWack 2,894 Posted August 12, 2017 Semi auto are not less forgiving, if the chamber specs are correct it should make zero difference unless the OAL is different. Most bolt actions for precision actually have tighter tolerances making them less forgiving. I'm curious why your not measuring your cases after resizing? That's standard with rifle loads, especially cases with a neck. Your reloads should be with a few hundredths of a inch, not a few tenths. Quote Share this post Link to post Share on other sites
owg666 2 Posted August 12, 2017 I do. It was one round got through and jammed my gun. It just goes to show that QC is important. It was a fail on my part.Sent from my iPhone using Tapatalk Quote Share this post Link to post Share on other sites
JackDaWack 2,894 Posted August 12, 2017 Very important, with such a variance you could get an out of battery discharge, or see serious pressure spikes if the round is forced passed the chamber lip. Unfortunately, mistakes when reloading can have disastrous effects. U got the right idea tho, check every round with a no go gauge. 2 Quote Share this post Link to post Share on other sites
owg666 2 Posted August 17, 2017 Final update:Using meticulous QC, I reloaded more .223 using the gauge mentioned. Worked wonders. Lesson learned. Zero cycling or ejection issues. Accuracy was good at 100 yds. for an old shaky guy. Thanks for the input guys.Sent from my iPhone using Tapatalk Quote Share this post Link to post Share on other sites
Vlad G 345 Posted August 18, 2017 Good job ! I don't use a case gauge for I pistol but I case gauge all rifle ammo Quote Share this post Link to post Share on other sites