Trigger spring

[Mark6mm]

I'm wondering if I should put a new spring in my, 1968?, Rem 700 .22-250. Took the bolt apart and laid the spring next to a spring I took out of a 6mm Rem 700. It's 3/4" shorter. Strange thing is, the distance between the coils is .015-.020 more than the one from the 6mm and the wire diameter is .055 on both springs so it doesn't appear as though it has taken that much of a set. I'm pretty sure that both spring are original, factory springs. Anyone have an idea why the spring from the .22-250 is so much shorter? Anyone have a new, factory Remington SA spring they can measure and let me know what the length is?
Thanks, Mark

 

[jepp2]

I'm wondering if I should put a new spring in my, 1968

Replacing a 55 year old striker spring wouldn't take any time to decide for me.

 

[Sniperhandle]

I'm wondering if I should put a new spring in my, 1968?, Rem 700 .22-250. Took the bolt apart and laid the spring next to a spring I took out of a 6mm Rem 700. It's 3/4" shorter. Strange thing is, the distance between the coils is .015-.020 more than the one from the 6mm and the wire diameter is .055 on both springs so it doesn't appear as though it has taken that much of a set. I'm pretty sure that both spring are original, factory springs. Anyone have an idea why the spring from the .22-250 is so much shorter? Anyone have a new, factory Remington SA spring they can measure and let me know what the length is?
Thanks, Mark

The 6mm may be on a 30-06 length action and the 22-250 is definitely on a short action, I am not sure. But the 6mm is a lot longer case, So it would make sense to me that it was built on the 30-06 action.

I don't know, I am not a Remington guy and never will be.

I am going to build a 6mm AI one of these days but it will be on an FN Supreme action.

 

[Mark6mm]

Replacing a 55 year old striker spring wouldn't take any time to decide for me.

View attachment 1491645

I don't have a problem replacing the spring on such an old rifle but it just strikes me as odd that the wire diameter is the same and the coil spacing is a bit more but yet it's 3/4" shorter than the spring out of another Rem SA.

 

[Mark6mm]

The 6mm may be on a 30-06 length action and the 22-250 is definitely on a short action, I am not sure. But the 6mm is a lot longer case, So it would make sense to me that it was built on the 30-06 action.

I don't know, I am not a Remington guy and never will be.

I am going to build a 6mm AI one of these days but it will be on an FN Supreme action.

I just checked. The .22-250 and 6mm bolts are the same length and the 06 bolt is much longer.

 

[CJ6]

The Rem factory 6 mms were built on short actions.

 

[okie]

change it

 

[Walt Schmidlin]

Don’t over think it. The measured length of a used spring is meaningless UNLESS you have the original length of the spring.
Many factors affect spring weight (lbs) but length is the only one easily measured.
Buy the spring weight recommended by Remington, heavier weight is not needed unless maybe you are using military type primers

 

[AlNyhus]

I'm wondering if I should put a new spring in my, 1968?, Rem 700 .22-250. Took the bolt apart and laid the spring next to a spring I took out of a 6mm Rem 700. It's 3/4" shorter. Strange thing is, the distance between the coils is .015-.020 more than the one from the 6mm and the wire diameter is .055 on both springs so it doesn't appear as though it has taken that much of a set. I'm pretty sure that both spring are original, factory springs. Anyone have an idea why the spring from the .22-250 is so much shorter? Anyone have a new, factory Remington SA spring they can measure and let me know what the length is?
Thanks, Mark

Check the spring pressure and see what it is. If it’s close to the new one, then you'llhave a spare.

Don't fall into the trap of an extra heavy spring. -Al

 

[Mark6mm]

Check the spring pressure and see what it is. If it’s close to the new one, then you'llhave a spare.

Don't fall into the trap of an extra heavy spring. -Al

How do I check the spring pressure? If the OEM spring is 24lb, is going up to a 28lb a bad thing?
Also, what stops the firing pins forward movement? Is it the front face of the pin or the cocking piece bottoming out in the bolt shroud?
Thanks, Mark

 

[AlNyhus]

How do I check the spring pressure? If the OEM spring is 24lb, is going up to a 28lb a bad thing?
Also, what stops the firing pins forward movement? Is it the front face of the pin or the cocking piece bottoming out in the bolt shroud?
Thanks, Mark

I use a block of Delrin with a hole drilled through it big enough for the pin tip but smaller than the front collar of the pin. A piece of wood, etc. also works. Make sure the block is thick enough so the pin tip doesn't protrude and get damaged. If you've got a postal scale, set the block on it and zero it. You can also use a bathroom scale...just remember the weight of the block.

Then push the pin assy down until you just feel the spring start to compress and note the weight. That's the preload. You can also check the weight with it compressed another .250 for the compressed poundage if you want to. The initial preload will tell you what you need to know. This spring on a 700 style assy. shows a bit less than 19 1/2 lbs. of preload. If you do this on a bathroom scale that you can't zero, deduct the weight of the block.

On a 700, there's no need to ever go over 23-24 lbs. for spring pressure ( my personal opinion). Pin protrussion should be around .050-.055 and pin fall in the .250-ish range. The cocking piece should not bottom out in the notch on the bolt when the pin is forward. The front collar of the pin is what stops the pins forward travel when checked manually. During firing, the pins forward travel is actually stopped by the primer itself.

It's a good idea to check the pin tip diameter and compare that to the tip diameter in the front of the bolt face, too. Excessive clearance there can cause primer issues that aren't related to the primer or load.

Just my approach to it. -Al

 

[BoydAllen]

When I check springs for Remingtons an those with similar shroud/cocking piece setups, I note the position of the cocking piece relative to the back of the shroud with the action cocked and grasp the shroud in such a way that I can see that I have compressed the spring to that point, and then read the cocked weight. To do that, I use a two handed grip, so that I can keep the downward pressure balanced. My setup on the scale is similar to Al's, including the type of scale. IMO if your cocked weight is close to a new one, then you should be GTG.

 

[Infrequent Shooter]

The Rem factory 6 mms were built on short actions.

great info here. I wish the6mm rem would fit in Sendero I stock.

 

[STS]

If you follow Al's procedure that is above, make sure you have all of your best swear words chosen before you begin. When you pinch the he!! out of your finger you don't want any delay in starting your outburst of profanity.