AR10

[jmdc]

My brother has built an AR10 a few years ago and has been reloading for hit, but he has passed and I am going to keep the reloading moving forward. Do I need large rifle primers or 7.62 primers? I have his notes but does not tell me exactly what primers he was using. Thanks in advance.

[five.five-six]

My brother has built an AR10 a few years ago and has been reloading for hit, but he has passed and I am going to keep the reloading moving forward. Do I need large rifle primers or 7.62 primers? I have his notes but does not tell me exactly what primers he was using. Thanks in advance.

[tabascoz28]

I built an AR10 clone which is an LR308, basically an AR that shoots 7.62 nato. My BCG has a free floating firing pin but I just use LR primers.

[jmdc]

Thank you and thanks for the information.

[jmdc]

I built an AR10 clone which is an LR308, basically an AR that shoots 7.62 nato. My BCG has a free floating firing pin but I just use LR primers.

Interesting... thanks.

[five.five-six]

I built an AR10 clone which is an LR308, basically an AR that shoots 7.62 nato. My BCG has a free floating firing pin but I just use LR primers.

[jmdc]

If I need to provide more information please let me know what info and I will try and get that.

[baih777]

I use these.

https://www.powdervalleyinc.com/product/cci-34-7-62mm-military-primers/

[BrassCase]

I use both CCI #34 (for 7.62 military) and WLR. The cups on the CCI are just a bit thicker. I use either on my AR10 in 308 and in 6.5 Creedmoor. Both work very well.

[kcheung2]

I use the same CCI large rifle primers (the regular #200, not the #34 white box) for all my .308, and it works fine in my bolt guns and my semi autos.

[Spyder]

For my gas guns, I just use whatever large rifle primers I have laying around, including some that are 40 years old.

[uechikid]

Jmdc, it sounds like you’re new to reloading. It’s a good idea when starting out to get and read a couple manuals. After reading them concentrate on on the calibers you plan on loading. Take your time.

[jmdc]

I am new and I have read tons. I have been reloading 9mm but wanting to get into the next caliber thus the questions here. Thanks everyone for all the help its much appreciated.

[five.five-six]

I am new and I have read tons. I have been reloading 9mm but wanting to get into the next caliber thus the questions here. Thanks everyone for all the help its much appreciated.

Necked rifle cartridges are about 2-3X the work as straight wall pistol.

I will recommend you use only a lee factory crimp die for your crimp. They really give you a lot more wiggle room on mixed brass.

[Spyder]

Or just don't crimp 308 at all.