Hunting Washington Forum

Equipment & Gear => Guns and Ammo => Topic started by: Blacklab on February 06, 2022, 03:36:43 PM

Title: L or S primers
Post by: Blacklab on February 06, 2022, 03:36:43 PM: Trying to find brass for the 6.5 Creedmoor. Which I found some but they were small primer pocket. anybody use the small primer pocket Creedmoor casings. I have like 24 casings that are large primer. Anybody notice the difference. Not understanding the benefit of large or small. Except the availability.
Title: Re: L or S primers
Post by: jrebel on February 06, 2022, 03:52:57 PM: Here is a good read.

https://rifleshooter.com/2018/05/does-primer-size-matter-6-5-creedmoor-small-v-large-primer-brass-comparisons/

Likely not enough difference to matter for most shooters though it does seem that the small primer 6.5 could produce slight better velocities.

I shoot large primer just because I didn't want to switch over to the Small. If I was in the market and didn't have a ton of brass already.....I would go with what I had the primers for and what was available.
Title: Re: L or S primers
Post by: NRA4LIFE on February 06, 2022, 03:55:59 PM: Anyone who thought making cases of the same caliber with different sized pockets was a good idea should be removed from society.
Title: Re: L or S primers
Post by: zwickeyman on February 06, 2022, 04:16:36 PM: Quote from: NRA4LIFE on February 06, 2022, 03:55:59 PM
Anyone who thought making cases of the same caliber with different sized pockets was a good idea should be removed from society.

:yeah:
Title: Re: L or S primers
Post by: Blacklab on February 06, 2022, 04:19:49 PM: Thanks jrebel it is interesting😉🥃🇺🇸
Title: Re: L or S primers
Post by: kselkhunter on February 06, 2022, 05:15:35 PM: 6.5 Grendel has similar situation as 6.5 Creedmoor where some brass suppliers use small rifle primers and some use large rifle primers.

Then there is Lapua.....their website says their 6.5 Grendel brass uses large rifle primers. Except no it doesn't. It's small rifle primer. I found that out the annoying way while trying to load a large rifle primer into it. Pulled out calipers and compared to another round that does use LRP.....yep, Lapua's website is wrong. Their 6.5 Grendel brass doesn't take LRPs.
Title: Re: L or S primers
Post by: Blacklab on February 06, 2022, 05:42:18 PM: Wow! I never noticed that with Grendel. But I haven’t bought brass for it at least three years. always used large primers mainly Hornady brass.
Title: Re: L or S primers
Post by: jasnt on February 06, 2022, 05:56:46 PM: Small pocket has a stronger case head. More brass. So those cases can handle a little more pressure before pockets get loose. If you have or can find small rifle primers go for it
Title: Re: L or S primers
Post by: Blacklab on February 06, 2022, 06:16:25 PM: Thanks think i will. Just dont want to spend $1.50 a piece for brass
Title: Re: L or S primers
Post by: jrebel on February 06, 2022, 06:49:32 PM: Quote from: Blacklab on February 06, 2022, 06:16:25 PM
Thanks think i will. Just dont want to spend $1.50 a piece for brass

Nosler has brass for $38 / 50 pieces right now. Great price and I have always had great luck with it.

I also shoot starling LP brass and it has been great brass as well. Local shop here in town has some starline....not sure what the price per 100 is.
Title: Re: L or S primers update 02-25-22
Post by: Blacklab on February 25, 2022, 12:07:37 PM: Found some 6.5 creedmoor Starline brass on midway. Able to pickup a 100 pieces L primer. Next time small primer brass to see if there is a difference in accuracy :dunno:
Title: Re: L or S primers
Post by: Farmer72 on February 25, 2022, 02:31:10 PM: I went the small primer route as I wanted the little bit of longevity since I was buying Lapua brass and the fact that I had a case of 5000 CCI 41 primers sitting around.
Title: Re: L or S primers
Post by: Blacklab on February 25, 2022, 03:48:25 PM: Nice
Title: Re: L or S primers
Post by: jasnt on February 25, 2022, 05:38:38 PM: Probably not much for accuracy but the small pockets will last longer before going loose
Title: Re: L or S primers
Post by: Sr15 on February 25, 2022, 08:32:40 PM: Quote from: NRA4LIFE on February 06, 2022, 03:55:59 PM
Anyone who thought making cases of the same caliber with different sized pockets was a good idea should be removed from society.
LOL ....small primer 45acp cases are the devil when loading on a progressive press
Title: Re: L or S primers
Post by: NRA4LIFE on February 25, 2022, 08:35:52 PM: Quote from: Sr15 on February 25, 2022, 08:32:40 PM
Quote from: NRA4LIFE on February 06, 2022, 03:55:59 PM
Anyone who thought making cases of the same caliber with different sized pockets was a good idea should be removed from society.
LOL ....small primer 45acp cases are the devil when loading on a progressive press

SR15, amen. That was the genesis of my comment.

Did you have any primers go off?
Title: Re: L or S primers
Post by: Sr15 on February 26, 2022, 12:16:21 PM: Luckily no kaboom, just lots of bad words :chuckle:
Title: Re: L or S primers
Post by: NRA4LIFE on February 26, 2022, 12:54:00 PM: I am familiar with those words.