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Safety
Apr 3, 2011 18:21:50 GMT -8
Post by Master Yoda on Apr 3, 2011 18:21:50 GMT -8
Hello Guys You can purchase proper pressure testing equipment for as little as $700 which less than the cost of your rifle, a trip to the hospital or a legal issue. Developing a cartridge is great fun, but to finish it you need the pressure testing to verify the legitimacy of the cartridge and its performance. A great number highly educated people have spent their whole lives studying and learning internal ballistics and how to safely use any given cartridge design or gun powder (explosives), their are so many variables. To finish the job you need to know what the safe working perimeters are, not just for the cartridge but the gun's limitations. Consider this: that many cartridges are not loaded to their maximum possible ballistic performance because the gun the they are used in has its own limitations different than that of the cartridge Be safe
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Safety
Apr 4, 2011 5:47:05 GMT -8
Post by davecharles on Apr 4, 2011 5:47:05 GMT -8
Great point. I'm watching the 6.5 grendel and the 6.5 patriot with the expectation of building a new rifle. I've reloaded for years for bolt actions and know pressure signs to watch. I have no idea what to look for in AR 15 pressure signs. I have more concerns with the grendel with it's larger case capacity. Anything you can do to enlighten us is greatly appreciated. Dave
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dr69er
Senior Member
Protect the US Consitution & the American Way.
Posts: 222
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Safety
Apr 4, 2011 6:29:33 GMT -8
Post by dr69er on Apr 4, 2011 6:29:33 GMT -8
Great point. I'm watching the 6.5 grendel and the 6.5 patriot with the expectation of building a new rifle. I've reloaded for years for bolt actions and know pressure signs to watch. I have no idea what to look for in AR 15 pressure signs. I have more concerns with the grendel with it's larger case capacity. Anything you can do to enlighten us is greatly appreciated. Dave I agree Dave, and yes there are differences between bolt gun and AR pressure signs, although, Carl I'm sure has a bit more experience in this regard (AR systems), so I would defer to him for a more definate finer Indications of over pressure...Since they also have the equipement to do a proper testing of verious loads for over prussure and such.
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Safety
Apr 27, 2011 15:19:37 GMT -8
Post by GLSHOOTER on Apr 27, 2011 15:19:37 GMT -8
Great point. I'm watching the 6.5 grendel and the 6.5 patriot with the expectation of building a new rifle. I've reloaded for years for bolt actions and know pressure signs to watch. I have no idea what to look for in AR 15 pressure signs. I have more concerns with the grendel with it's larger case capacity. Anything you can do to enlighten us is greatly appreciated. Dave I can say that working up loads for bolt guns is a snap compared to the AR platform when you step off from the main stream area. I have a 20 Tactical that I have been loading for for about four years and tested a huge number of components when I got the rifle. Obviously velocity is a big goal on a 20 and I was getting great velocities and good tight groups but the pressure demands of the system severely limited powder application. I eventually got some reliable fast safe loads worked up but it was one of those things where a beginner should be looking for some guidance!! OTH I have a 6 PPC that has run 100% no matter what I have put through it. Pressures have not been and issue but accuracy has been the sticker in that one. I think it is one that is easy to load for and if you can get formed brass is safe to "learn" on. Greg
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Safety
Dec 5, 2012 19:52:33 GMT -8
Post by pasttense on Dec 5, 2012 19:52:33 GMT -8
An interesting leader with out any follow through. I assume this would be on the barrel over the chamber strain gages. but a manufacture name or website some one has used successfully would help.
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Safety
Dec 5, 2012 20:20:38 GMT -8
Post by GLSHOOTER on Dec 5, 2012 20:20:38 GMT -8
An interesting leader with out any follow through. I assume this would be on the barrel over the chamber strain gages. but a manufacture name or website some one has used successfully would help. I'm no sure what type they are using but BHW and Tactical Ammunition have been testing quite bit. Drop Master Yoda a PM and he can give you a name on it. Meanwhile here is a set up I ran down in about three minutes using Dogpile.com: shootingsoftware.com/index.htm If I had the extra $$'s I'd be ordering it instead of typing this!! Greg
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Safety
Dec 5, 2012 20:38:55 GMT -8
Post by pasttense on Dec 5, 2012 20:38:55 GMT -8
Thanks GL I was looking at that website when your reply came up. The reason I am interested is the AR platform I have been reloading bolt guns for 3+ decades and never had an issue but this AR is all over the map from"" trustworthy sources (Powder , bullet Manufacture). Thanks Paul
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Safety
Dec 6, 2012 9:32:37 GMT -8
Post by GLSHOOTER on Dec 6, 2012 9:32:37 GMT -8
I don't have a real issue with the AR's when it comes to pressures. The standard ones have tons of data that is safe and with the wildcats aknowing a case capacity and knowing the parent case handles as to charge weights and presures goes a long way in helping select the powders. Also a chronograph is vital when you are going into unchartered territory. Greg PS: Common sense and a bit of timidness helps too!!
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