Modern Sporting Rifle Evolution
Sign up Calendar Latest Topics
 
 
 


Reply
  Author   Comment  
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #1 
I just came across a cz 527 varmint in 223, and would like to have a bolt gun chambered in it,to go with the ar, and a pair of mongooses wouldn't get as lonely as a single one. So a barrel and a reamer and guages would be on the hunt down list.

They are a dandy little mini mauser action with a nice single set trigger.

24" varmint contour prefered so minimum modifications to the kevlar stock it has now.
if anyone knows where to start on this quest, id appreciate it.

I haven't checked with x caliber as far as blanks, but still the issue would be the reamer. I have a gunsmith I can use, unless someone else with firsthand experience in mongoose grooming would be better.

In regards to barrel dimensions of a varmint, its as follows, .996 at the face of the action, straight for an inch, then straight tapers down to .700 over 24 or 26 inches.
0
jwtharpe

Avatar / Picture

Moderator
Registered:
Posts: 1,369
Reply with quote  #2 
Your only option is to work out something with X-caliber. They have the only set of reamers and gauges. You could send them your receiver and bolt and have them put a barrel on it. Or you could have them deep chamber a blank, and have your smith finish it.
Call or email Dustin and see if they will work with you on it.

Sales

Dustin Berg
406-393-2610
duberg [at] x-caliber [dot] net

0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #3 
Thanks JW,
At least I know the direction to go now.

Kind of a strange question I know, but I like the rifle, and found a 2 nd one today.
0
jwtharpe

Avatar / Picture

Moderator
Registered:
Posts: 1,369
Reply with quote  #4 
Quote:
Originally Posted by surveyor
Thanks JW, At least I know the direction to go now. Kind of a strange question I know, but I like the rifle, and found a 2 nd one today.


I like them a lot too. Miniature mouser with claw extractor and blade ejector, sized for the 223.  Perfect for 223 based cartridges IMO. Some of them come with some beautiful Turkish walnut. If they weren't so expensive, I might would try one myself.  
0
tripntx

MSR Enthusiast
Registered:
Posts: 340
Reply with quote  #5 
Thanks for this thread, and I'll be following it. I also like the CZ527 rifles. I purchased one last month from Buds chambered in .204 Ruger. Used a local FFL who is a gunsmith with full machine shop. He removed the barrel, cut threads off, re-threaded the chamber end, and chambered in it 20 VarTarg for me. It is a varmint barrel, so I had him thread it 5/8 for suppressor.

Having one in 6mm Mongoose would be very nice.

__________________
SMSgt USAF, Retired
0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #6 
I haven't forgot about this, just picked the rifle up today.
0
jwtharpe

Avatar / Picture

Moderator
Registered:
Posts: 1,369
Reply with quote  #7 
Quote:
Originally Posted by surveyor
I haven't forgot about this, just picked the rifle up today.


Have you shot this thing yet? I'm anxious to see how it does. 
0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #8 
Not yet
I just got glass
a sightron s3 8x32x56 mildot


And I need to load some more rounds.

I'll try to get it out real soon now that I have glass.
and see what it does for first shots.
The single set trigger should be nice.
I may even load some more 75 v max with some flavor of stick powder
Fresh brass for now.
Thanks for the help on this JW.
0
kdbarker

Avatar / Picture

Moderator
Registered:
Posts: 536
Reply with quote  #9 
That is a beautiful thing! Nicely done!!!
__________________

Firearms Instructor Certification and Metallic Cartridge Reloading Instructor. Background in Gunsmithing/Armorer, and Shooting Range Development and Management.
"Where there is no counsel, the people fall: but in the multitude of counsellors there is safety"...

 

0
MDWS

Avatar / Picture

ADMINISTRATOR
Registered:
Posts: 5,354
Reply with quote  #10 
Quote:
Originally Posted by surveyor
Not yet I just got glass a sightron s3 8x32x56 mildot And I need to load some more rounds. I'll try to get it out real soon now that I have glass. and see what it does for first shots. The single set trigger should be nice. I may even load some more 75 v max with some flavor of stick powder Fresh brass for now. Thanks for the help on this JW.


[eek][eek][eek][eek][eek][eek][eek][eek][eek][eek][eek][eek][eek][eek][eek][eek][eek]

[thumb][thumb][thumb][thumb][thumb][thumb][thumb][thumb][thumb][thumb]

__________________

Don't mistake kindness for weakness...

We are charged with upholding the constitution, from all threats, foreign or domestic, and we will bear true faith and allegiance to the same.

-Mark
0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #11 
Well I wanted to keep the brass separate for the bolt gun from that ar...
And I had 3 boxes of new lapua brass. Seemed like a good idea at the time.

But after sizing and trimming them, the necks are needing to be turned, and I realized
That I didn't have turning mandrel and 40 degree cutter. So those should be here by the end of the week.
I measured distance to lands in it as well as the ar.
The ar has a longer chamber than the cz.
So I'll base my seating depths off it, allowing a 0.020 jump.
The ar will have anywhere from +0.013 to +0.030 longer depending on bullet used.

I have 2 boxes of 105's, a decent amount of 87&75 v maxes
I should be able to find something it likes Powder wise with what I have.


I'm looking forward to shooting it. It will be single loaded, I'm not overly concerned about mag feeding, but a 87 v max would fit.

Barrel length on this one is 26" Bartlien 1:8 5r barrel, remington #2 varmint contour, free floated, dip 20 moa base. James calhoon single shot follower, cz low bolt handle.
0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #12 
Went out today for first shots
New lapua brass necks turned, LTO 1.800 which is 0.020 off lands
55 nosler shots, hodgdon 335 powder 100 yd range

27 gr no pic 5 shots 1/2"

27.3 gr



27.6 gr



27.9 gr



28.2 gr



All primers look good, no flat/cratering
0
BIGGDAWG

Avatar / Picture

Moderator
Registered:
Posts: 2,989
Reply with quote  #13 
wow looks like a real shooter congrats on the build.
__________________
http://www.7mmvalkyrie.com

0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #14 
Not bad for a 7 1/2 cent bullet And fire form load.
I'm pleased. The glass is crystal clear and bright, maybe a slight step down from my IOR..I'm impressed.
The single set trigger on this is sweet.
I'm feeling like a kid with new crayons.
I have another 200 cases prepped,
Then I get to see what it really likes.

Did I say I Really like this rifle and caliber?

No primer flattening cratering or hard bolt lift issue with the 28.2 gr load, primer pockets tight when I seated some with a rcbs hand primer.
Velocity was 3350 with a 45 es at this load.
0
MDWS

Avatar / Picture

ADMINISTRATOR
Registered:
Posts: 5,354
Reply with quote  #15 
Turned out great sir, nice work.
__________________

Don't mistake kindness for weakness...

We are charged with upholding the constitution, from all threats, foreign or domestic, and we will bear true faith and allegiance to the same.

-Mark
0
mnwhiskeyman

Senior Member
Registered:
Posts: 67
Reply with quote  #16 
Do you have any more range reports on this weapon? I am thinking of doing this to a Howa 1500 223.
Please advise
thanks
0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #17 
I haven't got back out, I have been busy, I managed to load up the 28.2 fireform loads in the lapua brass, but haven't shot it or done any load development untill I get fireformed brass to work with. Same sad story on the ar as well. I need to shoot to get brass to work with.
0
surveyor

MSR Enthusiast
Registered:
Posts: 149
Reply with quote  #18 
After 3 shots in one ragged hole at 100 yds, I went out to 400 yds to shoot steel, the drop I thought based on a guess was not close (1.6 mils) it ended up being 2.2 mils. It shoots good, but those 55 gr boolits don't move that plate much or make much sound.

Still have to shoot another 70 rounds to have all my lapua brass fireformed then I can see what it likes with a 105 amax.
I'm going to swap out the scope for a moa 2 reticle as that scope got shipped to me.

I'll put the mildot on another rifle (243)

0
Previous Topic | Next Topic
Print
Reply

Quick Navigation:

Easily create a Forum Website with Website Toolbox.