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Search: Posts Made By: Squeezer
Forum: Open Rimfire Yesterday, 12:50 PM
Replies: 16
Views: 382
Posted By Squeezer
Here's a wind rose for you

One advantage to CF is that the bullets have a higher Ballistic Coefficient, which among other things determines resistance to wind deflection.

Another issue is which effects various wind...
Forum: Remington 01-13-2020, 02:59 PM
Replies: 14
Views: 378
Posted By Squeezer
Love my Fieldmaster

I inherited a Rem 121A Fieldmaster that was built around 1940.

The balance is a little muzzle-heavy with a full magazine (14x LR), but its action is very smooth and the barrel keeps the groups...
Forum: CZ / Brno 01-11-2020, 12:27 PM
Replies: 34
Views: 1,915
Posted By Squeezer
I can help you a little by sharing testing...

I can help you a little by sharing testing results (boxes of 50) through my CZ455 UltraLux and my Shooting Chrony Beta, sorted by muzzle velocity (Ufps). I have never experienced a squib with the...
Forum: Open Rimfire 01-07-2020, 03:14 PM
Replies: 7
Views: 429
Posted By Squeezer
Ascending vs. descending zero point

I have found with my CZ rifles and SV ammo that a 50-yard zero will strike a 17-yard target with approximately the same POI as at 50 yards.

What I must remember, however, is that the 17-yard hole...
Forum: .22 Ammunition (S-L-LR) 12-30-2019, 03:27 PM
Replies: 17
Views: 1,644
Posted By Squeezer
Thank you for the very informative post- I have...

Thank you for the very informative post- I have now learned my Fact for the Day, and can stop thinking until mid-afternoon.

I am curious regarding your findings for brand/lot versus rim...
Forum: 10/22 Action 12-25-2019, 10:56 AM
Replies: 27
Views: 2,518
Posted By Squeezer
I bought a BX at a major retailer, and paid about...

I bought a BX at a major retailer, and paid about $75 (including my military discount). But I got to test all five triggers on the rack thanks to the special packaging, and picked a smooth one that...
Forum: Open Rimfire 12-23-2019, 07:10 PM
Replies: 48
Views: 7,877
Posted By Squeezer
Bore Tech C4

I have had good results using Bore Tech C4 Carbon Remover and a bent bronze brush and short, vigorous strokes.
Forum: Open Rimfire 12-23-2019, 01:53 PM
Replies: 2
Views: 171
Posted By Squeezer
MilDot Master

There is a product available from http://www.mildot.com/ called the Mildot Master. This comprises a cardboard analog slide-rule device and a small paperback manual to help you get the most out of a...
Forum: CZ / Brno 12-22-2019, 11:42 AM
Replies: 23
Views: 1,506
Posted By Squeezer
No matter what method I were to employ here,...

No matter what method I were to employ here, somebody would come along to call my procedures "fud."

My response to them would be "YOU cut an inch at a time from YOUR UltraLux barrel" so we can...
Forum: CZ / Brno 12-20-2019, 04:21 PM
Replies: 23
Views: 1,506
Posted By Squeezer
I test 50 rounds through my Shooting Chrony Beta...

I test 50 rounds through my Shooting Chrony Beta with each rifle. I have done this with about 20 types/lots of mid-grade (10~20 cents per round) ammo.

The best I can do for you here is to report...
Forum: Rifle 12-19-2019, 06:20 PM
Replies: 17
Views: 758
Posted By Squeezer
I have been working with Sierra Match King #1380...

I have been working with Sierra Match King #1380 (69.1gr), Varget (25.3gr), CCI400, and leap of 0.015 at 3,019 fps through my CZ527 Varmint in .223 Rem (1:9" twist). My final step with this ammo will...
Forum: CZ / Brno 12-13-2019, 03:17 PM
Replies: 23
Views: 1,506
Posted By Squeezer
Longer sight radius compensates for speed loss

Common wisdom dictates that a .22LR round achieves maximum velocity at a barrel length of about 16.5", and any added length slows the bullet.

I have three CZ455's: Varmint (20.9"), Training Rifle...
Forum: .22 Ammunition (S-L-LR) 12-06-2019, 05:25 PM
Replies: 79
Views: 6,555
Posted By Squeezer
Speed of sound vs. temp and altitude

According to Sierra Infinity v.6 (external-ballistics program), and using a Sierra #1380 SMK (69g) leaving the muzzle at 3,100 fps, the results are in the chart below:

I don't get this either. As...
Forum: .22 Ammunition (S-L-LR) 11-18-2019, 07:55 PM
Replies: 79
Views: 6,555
Posted By Squeezer
Please post your best 'pattern' at 100 yards with...

Please post your best 'pattern' at 100 yards with iron sights and Federal Premium Gold Medal HV Match #719 for us to discuss.

I'm not here to talk about patterns vs. groups- I'm here to share what...
Forum: .22 Ammunition (S-L-LR) 11-18-2019, 01:08 PM
Replies: 79
Views: 6,555
Posted By Squeezer
I have tested boxes of 50 of this ammo through...

I have tested boxes of 50 of this ammo through several CZ455 rifles. I have tested two lots, and have three more to test.

The best results so far have been with Lot 2GK290 through my factory...
Forum: .22 Ammunition (S-L-LR) 11-01-2019, 12:38 PM
Replies: 23
Views: 1,136
Posted By Squeezer
I have tested over 20 types of mid-grade...

I have tested over 20 types of mid-grade (affordable to me) SV ammo through my three CZ455's of different barrel lengths: Varmint, Training Rifle, and UltraLux.

A typical range outing for me...
Forum: .22 Ammunition (S-L-LR) 10-15-2019, 12:09 PM
Replies: 9
Views: 1,036
Posted By Squeezer
CCI lot numbers

I suspect your ammo was manufactured on November 17, 2018. Here's an old RFC post from my archive:

"CCI ammo lot codes:

first letter in the lot code is month (A thru M, skipping I)
A - Jan
B...
Forum: CZ / Brno 10-12-2019, 09:54 PM
Replies: 8
Views: 718
Posted By Squeezer
An earlier catalog described one difference...

An earlier catalog described one difference between a CZ455 sporter barrel and the varmint barrel thus:

Given ten quality ammos, the American will almost certainly shoot one or two of them very...
Forum: CZ / Brno 10-09-2019, 07:25 PM
Replies: 16
Views: 505
Posted By Squeezer
I neglected to mention that I do not need to SEE...

I neglected to mention that I do not need to SEE the ejection port. If I am in a hurry for some reason, I maintain my sight picture and feel the ejection port with my thumb. But I am seldom in a...
Forum: CZ / Brno 10-09-2019, 06:55 PM
Replies: 15
Views: 1,085
Posted By Squeezer
Staedtler combo circle template

At the range, I choose a Staedtler professional COMBO CIRCLE template, made in USA and used by draftsmen. I pick the two farthest-apart holes of a group and place the template over the centers of...
Forum: CZ / Brno 10-09-2019, 06:43 PM
Replies: 16
Views: 505
Posted By Squeezer
It's directly below the exposed part of the bolt

My 455's are all stock, and I locate the magazine well by remembering that it is DIRECTLY below the exposed part of the bolt. I don't understand your difficulty I guess.
Forum: CZ / Brno 10-07-2019, 09:43 AM
Replies: 10
Views: 685
Posted By Squeezer
Cherry-picking

That's one approach.

But when I purchase a new rifle, I want to buy a box that has NOT been opened by anybody else! So far so good...
Forum: .22 Ammunition (S-L-LR) 10-04-2019, 06:56 PM
Replies: 10
Views: 964
Posted By Squeezer
I consider ammo with an Extreme Spread < 60 (box...

I consider ammo with an Extreme Spread < 60 (box of 50) to be interesting for target work.

I have had SOME lots of CCI SV to do this for about $0.10 per round.

I have found lots of Eley Target...
Forum: Reloading 10-04-2019, 10:55 AM
Replies: 29
Views: 1,670
Posted By Squeezer
I presume you include such anal diversions as...

I presume you include such anal diversions as weight-sorting all your bullets and cases. I know I do...
Forum: CZ / Brno 09-29-2019, 04:06 PM
Replies: 6
Views: 506
Posted By Squeezer
I am the proud owner of two CZ455's with iron...

I am the proud owner of two CZ455's with iron sights:

Training Rifle with J&P 1/16" aperture blade

UltraLux with J&P 1/16" aperture blade

I know nothing of the sights you mentioned, but I...
Showing results 1 to 25 of 500

 


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