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Search: Posts Made By: jcc273
Forum: .22 Ammunition (S-L-LR) 05-30-2020, 01:07 AM
Replies: 14
Views: 762
Posted By jcc273
Actually, yes. First time using it in this gun I...

Actually, yes. First time using it in this gun I had issues with both feed and extraction, so I fed about 20 rounds in one at a time. Several did not extract. Wisner magazines fixed the feed...
Forum: .22 Ammunition (S-L-LR) 05-29-2020, 05:22 PM
Replies: 14
Views: 762
Posted By jcc273
All right - I lied. I can't just leave this alone...

All right - I lied. I can't just leave this alone so I tried a bunch more things. And will probably continue to do so if more things come to mind.

This looks familiar:...
Forum: .22 Ammunition (S-L-LR) 05-21-2020, 03:00 PM
Replies: 67
Views: 8,550
Posted By jcc273
-I- doubt it. Shareholders don't always have the...

-I- doubt it. Shareholders don't always have the kind of say mentioned in earlier posts, but boardmembers and management do. I've been in the workforce since I was 14 and I've never lost a job....
Forum: .22 Ammunition (S-L-LR) 05-21-2020, 01:07 PM
Replies: 34
Views: 2,089
Posted By jcc273
I've bought boxes of ammo recently from my LGS...

I've bought boxes of ammo recently from my LGS that date codes say are 2006 and 2007 - the 2007 looked like it, the 2006 looked brand new. I suspect they've been on the shelf most of that time, and...
Forum: .22 Ammunition (S-L-LR) 05-20-2020, 12:56 PM
Replies: 14
Views: 762
Posted By jcc273
This morning I had the borescope back out -...

This morning I had the borescope back out - again, there are no burrs or peening issues but I learned a couple things:

1. It takes less than 10 rounds to start a carbon ring.
2. CZ does better...
Forum: .22 Ammunition (S-L-LR) 05-19-2020, 08:59 PM
Replies: 14
Views: 762
Posted By jcc273
SK fired cases are .603-.605, Fed are .610-.611....

SK fired cases are .603-.605, Fed are .610-.611. No mouth markings indicatiing they were jammed into the leade. Unfired SK rounds eject without problem, and with the bolt removed, Fed and SK rounds...
Forum: .22 Ammunition (S-L-LR) 05-19-2020, 04:07 PM
Replies: 14
Views: 762
Posted By jcc273
Today I cleaned the Winchester 69a really well,...

Today I cleaned the Winchester 69a really well, inspected the bolt and chamber face, then borescoped it.

It does not appear to have any firing pin impact on the chamber face - not sure it can/will...
Forum: .22 Ammunition (S-L-LR) 05-18-2020, 06:01 PM
Replies: 14
Views: 762
Posted By jcc273
SK Biathlon Sport FTE in a bolt gun.

I have 5 .22lr firearms and have tested SK Biathlon Sport ammo in all of them. For 4 of them it's great ammo, but the last is a problem:

Winchester 69a with 1951 barrel stamp. I've put about 75...
Forum: .22 Ammunition (S-L-LR) 05-18-2020, 07:20 AM
Replies: 16
Views: 1,340
Posted By jcc273
All right - this has me thinking more about...

All right - this has me thinking more about stability, and futility is getting fat - let's exercise it some more. Here's some info plagiarized from the internet with a little calculation:

Twist...
Forum: .22 Ammunition (S-L-LR) 05-12-2020, 02:07 PM
Replies: 0
Views: 120
Posted By jcc273
Federal lot numbers?

There's a thread you find if you google for Federal lot numbers that does a great job decoding up till 2014 when Federal changed the letter -> year decode scheme. I'd include the link but I don't...
Forum: .22 Ammunition (S-L-LR) 05-11-2020, 05:18 PM
Replies: 16
Views: 1,340
Posted By jcc273
I also had no issue with quality ammo after...

I also had no issue with quality ammo after heyholes with Winchester, and this ( among many other issues ) made me decide to stop purchasing/shooting any Winchester 22lr. The jury is still out on...
Forum: .22 Ammunition (S-L-LR) 05-11-2020, 03:31 PM
Replies: 16
Views: 1,340
Posted By jcc273
In order to make it look like I'm not hijacking a...

In order to make it look like I'm not hijacking a 4 year old thread I looked for whatever I could find on 'europlink'. Just a couple old ads and a forum comment about head separation. Combined with...
Forum: .22 Ammunition (S-L-LR) 05-11-2020, 11:33 AM
Replies: 16
Views: 1,340
Posted By jcc273
Ok - what else will do this? I know...

Ok - what else will do this? I know weight/velocity/length vs twist. But I had a 100 box of Winchester 1300fps that made some long ovals/tears at 60 yards instead of all round holes from several of...
Forum: .22 Ammunition (S-L-LR) 05-04-2020, 01:48 PM
Replies: 15
Views: 1,180
Posted By jcc273
You can ignore what it says on the label - read...

You can ignore what it says on the label - read the price tag.

3 - 8 cents per round = plinking
9 -16 cents per round = practice
17 - up cents per round = target

...unless it's a shot,...
Forum: .22 Ammunition (S-L-LR) 05-04-2020, 01:14 PM
Replies: 36
Views: 3,218
Posted By jcc273
I have a single-six and it has 22lr and 22mag...

I have a single-six and it has 22lr and 22mag cylinders. This means the 22lr chambers are not 'full' because the cylinder is just as long as the 22mag.

So....same issue but worse because more...
Forum: .22 Ammunition (S-L-LR) 05-04-2020, 11:51 AM
Replies: 77
Views: 4,566
Posted By jcc273
I have 5 .22lr firearms. If a brand or product...

I have 5 .22lr firearms. If a brand or product has a problem in one of my guns I just don't use it in that gun. If it has a problem in all of my guns I don't use that product. If one of my guns has a...
Forum: .22 Ammunition (S-L-LR) 04-01-2020, 01:59 PM
Replies: 36
Views: 4,181
Posted By jcc273
Xpert seems to be 555/333 without the copper...

Xpert seems to be 555/333 without the copper wash. All of them are poor qualitY.

-Jim
Forum: .22 Ammunition (S-L-LR) 02-29-2020, 08:29 PM
Replies: 18
Views: 1,466
Posted By jcc273
I realize trajectory isn't nice and even like...

I realize trajectory isn't nice and even like this, but if your mid point is 72" high to hit zero at 300 yards, you drop 72" in 150 yards or 5400 inches. 0.013" drop every inch, .143 inches in the...
Forum: Scopes, Sights, Rings & Mounts, and Other Optics 02-19-2020, 09:21 AM
Replies: 5
Views: 322
Posted By jcc273
A couple years ago I started swapping out cheap...

A couple years ago I started swapping out cheap scopes for mid level and put a new scope on my 10/22. I used the original Ruger base that I'd been using since the 80s, and new cheapo rings from a...
Forum: .22 Ammunition (S-L-LR) 02-13-2020, 12:33 PM
Replies: 45
Views: 2,780
Posted By jcc273
I have chrony data for ~25 brands of ammo through...

I have chrony data for ~25 brands of ammo through my 20", 22" and 25" barreled rifles. Some brands, the 20" is fastest, some the 22". The .25" was never fastest but a different set of barrels or...
Forum: Winchester 02-03-2020, 05:17 AM
Replies: 8
Views: 625
Posted By jcc273
This turned out to be good advice. I ordered 3 of...

This turned out to be good advice. I ordered 3 of them, when they arrived they looked exactly the same as the numrich mags, but I tried them anyway. So far, no feeding issues at all from 2 of...
Forum: CZ / Brno 01-27-2020, 06:39 AM
Replies: 48
Views: 3,232
Posted By jcc273
Looks like jaws are locked about .2399 in the...

Looks like jaws are locked about .2399 in the second pic.

-Jim
Forum: .22 Ammunition (S-L-LR) 01-09-2020, 06:19 PM
Replies: 24
Views: 1,364
Posted By jcc273
Ok - time to get out the less-than-best ammo,...

Ok - time to get out the less-than-best ammo, find some with an uneven 'skirt', and roll them around on the table to see if the noses wobble.

-Jim
Forum: .22 Ammunition (S-L-LR) 01-09-2020, 03:33 PM
Replies: 24
Views: 1,364
Posted By jcc273
https://www.rimfirecentral.com/forums/wood/attach/...

https://www.rimfirecentral.com/forums/wood/attach/jpg.gif

It so happens the backstop for my backyard range is 65 yards from my back door, so... looks like the heel expands to barrel dimensions....
Forum: .22 Ammunition (S-L-LR) 01-09-2020, 02:06 PM
Replies: 24
Views: 1,364
Posted By jcc273
As in other subjects, isn't what's under the...

As in other subjects, isn't what's under the skirt the most important part?

Ok calm down... I mean the bullet heel - if it's longer than the 'skirt' and expands after clearing the crimp (and if...
Showing results 1 to 25 of 85

 


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