remington 700 excess headspace

[argeea]

replacing bolt on rem 700 22-250. After working on lugs some, bolt engages really good, but bolt closes on nogo gauge. By using some scotch tape on bottom end of nogo gauge, I determined bolt is 5 to 7 thousands too short or chamber too long by same length.
Old bolt checked out with go, nogo and field gauges recently. any ideas? I was thinking of removing barrel and having shop trim at base of chamber and threads base by same length. Would Appreciate any input!!

I'm an unapologetic do- it- yourselfer and sometimes it turns out worse but it is satisfying most of the times

old bolt had to go (electronic trigger rifle) no parts for it. needed new bolt, trigger and some stock work

 

[shortgrass]

I see 2 options, #1 have the barrel set back to proper head space (set it back a full turn and you can have a fresh throat, too), or #2 ,create a false shoulder on the neck by necking up to 6mm then necking back down to .22 part way. The false should would be positioned as to keep the base of the cartridge against the bolt face, thus the brass stretches at the front and not at the head. I'd opt for option #1 so I didn't have a lot of extra work with the brass when reloading and I could use off the shelf ammo in a pinch.

 

[argeea]

yes. number 1 option makes lots of sense. just removed barrel and will take it to smith and have them set it back at least .007. it should then check out ok with nogo gauge.
thanks alot for your info!!

 

[shortgrass]

Take him the entire rifle, so he can verify the head space for himself. After all, he does the work, he is responsible for it.

 

[argeea]

I will. thank again shortgrass

 

[L.Sherm]

I would take shortgrass advice you dont set it back 1 turn the stamping one the barrel wont line up, I think one turn is .062

 

[MNbogboy]

All good options above, a third option is to surface grind the recoil lug down that .005-.007. If it is a stock Remington lug you may find another lug the actual thickness you need. The barrel roll marks will rotate up to an eighth of a turn. Also the bolt head clearance will get closer, but probably needs to right now.
Just a thought.

 

[Buck Fever]

replacing bolt on rem 700 22-250. After working on lugs some, bolt engages really good, but bolt closes on nogo gauge. By using some scotch tape on bottom end of nogo gauge, I determined bolt is 5 to 7 thousands too short or chamber too long by same length.
Old bolt checked out with go, nogo and field gauges recently. any ideas? I was thinking of removing barrel and having shop trim at base of chamber and threads base by same length. Would Appreciate any input!!

I'm an unapologetic do- it- yourselfer and sometimes it turns out worse but it is satisfying most of the times

old bolt had to go (electronic trigger rifle) no parts for it. needed new bolt, trigger and some stock work

Was there anything wrong with the old bolt beside no ammo/primers?

I might want to buy it just out of curiosity.

 

[L.Sherm]

Grinding the recoil lug down would probably fix the headspace but still wont fix the stamping on the barrel.

 

[argeea]

All good options above, a third option is to surface grind the recoil lug down that .005-.007. If it is a stock Remington lug you may find another lug the actual thickness you need. The barrel roll marks will rotate up to an eighth of a turn. Also the bolt head clearance will get closer, but probably needs to right now.
Just a thought.

would need recoil lug of .180" tick

 

[argeea]

Grinding the recoil lug down would probably fix the headspace but still wont fix the stamping on the barrel.

may try this and if it works, I will have barrel trimmed

 

[argeea]

Was there anything wrong with the old bolt beside no ammo/primers?

I might want to buy it just out of curiosity.

I can't part with it. May need it later since I have 3 more of the etronx rifles and lots of primers

 

[L.Sherm]

may try this and if it works, I will have barrel trimmed

If you have the barrel trimmed chances are you will screw the counter bore depth up the bolt nose may hit the back of the barrel

 

[L.Sherm]

I guess what I'm getting at doing that kind of stuff is got you were your at now.
Heed Shortgrass's advice all problems solved