Jump to content
Brian Enos's Forums... Maku mozo!

Stock II Xtreme Mod List


Tanfastic

Recommended Posts

Ok, I shimmed up the primer support bar with a very thin washer, it would barely fit in there.  After the change, the Winchester primers are coming out at .010" below flush when I seat them.  I measured 5 times, and went back and measured the CCI primer loads which come out at .000" (flush).  Also tried a 1.148" OAL load in the newly-reamed barrel and it's free and clear with no sticking at all.  I think I'm making progress!

DPshim.JPG

OAL_1148-plunk.JPG

OAL_1148.JPG

Primer_Win_Low.JPG

Primer_Win_Measure.JPG

Edited by Tanfastic
Link to comment
Share on other sites

  • Replies 194
  • Created
  • Last Reply

Top Posters In This Topic

9 hours ago, MemphisMechanic said:

If your gun doesn't eat those Winchesters like candy with the block removed, I'll be stunned.

 

Looks good. Thanks for measuring before and after. I can now say for certain that the shimmed primer ram does help! 

 

Yes for sure, it was -.002 with the winchesters before the shim and -.010 after, so that's pretty significant.  I'll be testing at the range today, if I can get it to run well with this ammo now I'll use this ammo this weekend instead of my factory ammo.

Link to comment
Share on other sites

1 hour ago, Tanfastic said:

 

Yes for sure, it was -.002 with the winchesters before the shim and -.010 after, so that's pretty significant.  I'll be testing at the range today, if I can get it to run well with this ammo now I'll use this ammo this weekend instead of my factory ammo.

 

.010 will usually result in a ring or some form of deformation. I'm wondering if your calipers are off... 

At least you're headed in the right direction.

Edited by SoCalShooter69
Link to comment
Share on other sites

1 hour ago, SoCalShooter69 said:

 

.010 will usually result in a ring or some form of deformation. I'm wondering if your calipers are off... 

At least you're headed in the right direction.

 

Primer_Win_Low.JPG

 

 

Look on the right side, a bit of a ring indent is showing. Looks 0.010" ish to my eye.

Link to comment
Share on other sites

Yeah, the little ring is visible when looking with the naked eye, and the primer is noticeably below flush when looking/feeling it.  I measured the CCI primer before the shimming at 0.000" and then measured the exact same way to get the winchester measurement at 0.010" so I think the caliper setting is good.  Actually measured 5 different rounds to confirm it since I didn't believe it at first, but it appears to be correct.  Now the big question is whether the ammo will FIRE reliably, I'll find out at the range shortly!

Link to comment
Share on other sites

2 minutes ago, Tanfastic said:

Yeah, the little ring is visible when looking with the naked eye, and the primer is noticeably below flush when looking/feeling it.  I measured the CCI primer before the shimming at 0.000" and then measured the exact same way to get the winchester measurement at 0.010" so I think the caliper setting is good.  Actually measured 5 different rounds to confirm it since I didn't believe it at first, but it appears to be correct.  Now the big question is whether the ammo will FIRE reliably, I'll find out at the range shortly!

 

If .010 dpest light, throw your fat down range and go home. Lol I don't think you'll have a single light strike w primers that deep. 

Link to comment
Share on other sites

48 minutes ago, SoCalShooter69 said:

 

If .010 dpest light, throw your fat down range and go home. Lol I don't think you'll have a single light strike w primers that deep. 

 

There comes a point where all good things must come to an end, and this is a good example.

This primer is beginning to be crushed. When the primer is seated so deep that the anvil is pushed through the priming compound a miss-fire can occur, and as we all know that can mean good-bye stage. 

My CCIs light off easily at .006 deep. I think he should try for 6 to 8 thousandths, and lose the ring.

Edited by MikieM
Link to comment
Share on other sites

57 minutes ago, MikieM said:

 

There comes a point where all good things must come to an end, and this is a good example.

This primer is beginning to be crushed. When the primer is seated so deep that the anvil is pushed through the priming compound a miss-fire can occur, and as we all know that can mean good-bye stage. 

My CCIs light off easily at .006 deep. I think he should try for 6 to 8 thousandths, and lose the ring.

 

My go to is .010" ... have yet to get a failure in over 30k.

Link to comment
Share on other sites

2 hours ago, MikieM said:

There comes a point where all good things must come to an end, and this is a good example.

This primer is beginning to be crushed. When the primer is seated so deep that the anvil is pushed through the priming compound a miss-fire can occur, and as we all know that can mean good-bye stage. 

My CCIs light off easily at .006 deep. I think he should try for 6 to 8 thousandths, and lose the ring.

Remember that CCIs are taller than Winchester.

 

A slight indentation like that isn't going to hurt. Many of mine have it with the same 650/shim/Winchester SP combo, and they run like a champ under a 13lb spring with a Fully Uber Optimized(tm) BoloTitanTanfo.

 

Edited by MemphisMechanic
Link to comment
Share on other sites

Ok, the verdict is in!  Went to the range - all rounds fired in DA, except for about 10 at the end where I was finishing up.

 

All stock Xtreme components:

T1 147 gr Competition w/flush Federal Primers - 2 LS / 50 Rounds

My 147gr Blues w/-.010 Winchester Primers - 0 LS / 50 Rounds

 

Went back home (range is only 5 minutes away) and popped in all of the PD upgrade springs, 15.5 hammer spring, FPB left out, and without the bolo installed:

T1 147 gr Competition w/flush Federal Primers - 19 LS / 50 Rounds

My 147gr Blues w/-.010 Winchester Primers - 0 LS / 140 Rounds

 

So looks like that's my setup for the match this weekend, thank you all for the assistance!  I'll work on the FBP issue next week and get that resolved, more polishing, and then I'll start experimenting with the lighter hammer springs to see what happens.  Now it's time to pop out another 300 rounds of that load so I'm ready for tomorrow.

 

JP - The CCI's are yours!  I'll bring them next time we practice!

 

Edited by Tanfastic
Link to comment
Share on other sites

More proof that primer seating is more important than primer type and gun setup.

 

A Winchester is harder to light than a Federal. No one disputes this... until only one of the two isn't buried in the brass.

 

<Hands a plastic gun owner his first Tanfo>

 

"Hi, welcome to hammer-fired guns. Flush is the new high primer."

 

Edited by MemphisMechanic
Link to comment
Share on other sites

24 minutes ago, MemphisMechanic said:

More proof that primer seating is more important than primer type and gun setup.

 

A Winchester is harder to light than a Federal. No one disputes this... until only one of the two isn't buried in the brass.

 

<Hands a plastic gun owner his first Tanfo>

 

"Hi, welcome to hammer-fired guns. Flush is the new high primer."

 

 

Ha ha!  Except for JP, his CZ eats anything, but it's not as cool as my Tanfo! ;-)

Link to comment
Share on other sites

41 minutes ago, MemphisMechanic said:

More proof that primer seating is more important than primer type and gun setup.

 

A Winchester is harder to light than a Federal. No one disputes this... until only one of the two isn't buried in the brass.

 

<Hands a plastic gun owner his first Tanfo>

 

"Hi, welcome to hammer-fired guns. Flush is the new high primer."

 

 

This, I can agree with.

Link to comment
Share on other sites

16 minutes ago, Tanfastic said:

 

Ha ha!  Except for JP, his CZ eats anything, but it's not as cool as my Tanfo! ;-)

 

Absolutely. But a gun with an 8 pound DA, and a 4 1/2 pound SA trigger pull should eat everything. Right?

Link to comment
Share on other sites

1 hour ago, MikieM said:

 

Absolutely. But a gun with an 8 pound DA, and a 4 1/2 pound SA trigger pull should eat everything. Right?

 

Well his CZ has a lighter trigger than my Tanfo does, but GM's get special gunsmithing privileges that us normal humans don't!  Ha ha!

Link to comment
Share on other sites

2 hours ago, Tanfastic said:

 

Well his CZ has a lighter trigger than my Tanfo does, but GM's get special gunsmithing privileges that us normal humans don't!  Ha ha!

 

I'd bet loads of money that many of the top GM names have worse triggers than MemphisMechanic  or me. In fact i know of one tip top GM that definitely is!

 

Link to comment
Share on other sites

1 minute ago, johnbu said:

 

I'd bet loads of money that many of the top GM names have worse triggers than MemphisMechanic  or me. In fact i know of one tip top GM that definitely is!

 

 

Probably so, talent trumps equipment.  In this particular case, I've shot his gun, and the trigger is very sweet.

Link to comment
Share on other sites

1 minute ago, Tanfastic said:

 

Probably so, talent trumps equipment.  In this particular case, I've shot his gun, and the trigger is very sweet.

Cz's can get some nice triggers. A buddy has one w 4 1/2# da. It pops winchester primers set 0.008" deep without fail.

Link to comment
Share on other sites

Ran the Level 2 match today, almost 300 rounds and it ran flawless with that most recent load and the Winchester primers seated at -.010"  I really love the gun, it's a joy to shoot, I'll keep working on making the minor improvements to it going forward, getting the FBP fixed, etc. but I don't want to screw it up since it runs and shoots so well now.

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



×
×
  • Create New...