The federal primers gm215m Diaries
The federal primers gm215m Diaries
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Never to hijack this thread but an acquaintance of mine that produces ammunition suggests the Federal 210M primer. Why, I have no idea as he was trying not to offer me proprietary information. I'll utilize the Lee Hand Priming Resource Once i get close to to utilizing the Feds. Ken, the box is baaaaad.
The main issue that remains for me is how the primers success may well range concerning unique cartridges, bullet weights, and powder hundreds. It's normally been my impression that very low ES/SD correspond to optimized combustion; that is to convey once the primer, cartridge quantity (force cell), powder cost, had been all optimized to offer optimal combustion for a specified bullet body weight. It's beyond issue that switching primers can normally increase (lower) ES/SD using a offered load.
Soon after disassembling the cartridge I discovered the primer experienced never been billed, the cup was cleanse as being a whistle. CCI reported that It is a couple of 1 in 1,000,000 or so prevalence so I must be good the another million rounds!
Later on stoped in a Philadelphia gun store to pick up last brick of primers he had in stock. $39.95 for a thousand Federal Match small pistol magnum primers a pink box. What is the difference between Match and blue box that says small pistol?
On the flip side, if a few of the primers that gave poorer ends in your testing with a particular .308 load gave much better success with another cartridge/powder/bullet excess weight, it would be Substantially more difficult to make any standard predictions that might let a reloader to help keep a stock of only two or 3 forms available, one of which would be prone to give satisfactory results above a wide array of cartridges and powders.
Is the listing on the brand name of conditions and primer just creating their analyzed hundreds as properly represented as they can be in order for the reloader to breed their effects?
Checks which have been run by the NRA tech team as well a reported in Handloader have indicated that switching from the lowest pressure primer to the very best tension primer could potentially cause pressures to leap by about 5000 psi.
In the final couple of days I have obtained two a great deal of small pistol primers ordered on the web over the last month. I had and appealing and somewhat disturbing observation.
Personally, I take advantage of 210M’s or 215M’s Once i go looking, with regards to the cartridge. It presents me comfort. But I don’t know when you’d at any time see a measurable difference between The 2. Primers are considered one of The most cost effective factors we obtain, but may be crucial to consistent muzzle velocities … so I usually don’t try to save lots of what only amounts to a few pennies for every spherical by deciding on a normal primer more than a match primer.
Give me a handful of much more loadings with those usually completely good situations as well as a place to use the "Excess fat" primers .
The 6mmBR.com Group isn’t pleased with federal primers 209 just “really good accuracy” … but instead seems incredibly like-minded within the OCD pursuit of perfection, and the web site typically only record hundreds uncovered to supply Extraordinary accuracy.
Several of the conditions experienced the primer crimped in as was with all armed service situations, remaning the pocket should eliminate your challenge Click to grow...
I'd hope them to get a little tighter grouping and velocity variation, but browse of parents that have expert the other.
Every person does it in this way. A soapy lubricant is Utilized in the stamping operations, both of those cup and anvil are then washed, dried and sent off to become primers. Some primer cups get a skinny nickel plating.