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Star BM recoil spring replacement
- Thread starter Practical
- Start date
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The assembly unscrews. You can
Get springs from Wolff gunsprings.
Get springs from Wolff gunsprings.
The rear end piece of the guide rod,,the U shaped piece, is threaded on to the guide rod itself.
Pull the recoil spring forward enough (away from the U shaped end piece) to be able to securely grip the guide rod w/a padded pliers.
You are now holding the recoil spring away from the end piece and you can unscrew it from the rod itself.
Careful not to damage the shape of it, again a padded pliers or even a small adj smooth jaw wrench works pretty good along those parallel sides.
Once the end is off, hold the rod against a bench top and release the pliers holding back the old recoil spring tension careful to catch the compressed recoil spring as it jumps off the guide rod..
Remove the spring, clean up the guide rod if it needs any work and reinstall the new one.
Some will drill a tiny hole thru the guide rod back just far enough for a pin like a paper clip to go thru. They then use that to hold and capture the new spring when compressed for reassembly instead of compressing it and holding it with those padded pliers as in the disassembly.
Either way, hold the new spring back a ways and screw the U shaped rod guide back on.
Tighten it up snug and that's it.
Pull the recoil spring forward enough (away from the U shaped end piece) to be able to securely grip the guide rod w/a padded pliers.
You are now holding the recoil spring away from the end piece and you can unscrew it from the rod itself.
Careful not to damage the shape of it, again a padded pliers or even a small adj smooth jaw wrench works pretty good along those parallel sides.
Once the end is off, hold the rod against a bench top and release the pliers holding back the old recoil spring tension careful to catch the compressed recoil spring as it jumps off the guide rod..
Remove the spring, clean up the guide rod if it needs any work and reinstall the new one.
Some will drill a tiny hole thru the guide rod back just far enough for a pin like a paper clip to go thru. They then use that to hold and capture the new spring when compressed for reassembly instead of compressing it and holding it with those padded pliers as in the disassembly.
Either way, hold the new spring back a ways and screw the U shaped rod guide back on.
Tighten it up snug and that's it.
Last edited:
It's removed as described above. But be aware that the threads are usually locked with a red thread locking compound, and they can be hard to get off.
The threads are standard lefty loosey - righty tighty, and if you can get it to break lose try a little heat to soften the thread locking compound. Springs are easy to fine, the other parts are not, so don't booger them up.
Then when you reassemble it, don't use a thread locking compound at all. If you feel you absolutely must, use blue Locktite 242 that is designed for disassembly.
The threads are standard lefty loosey - righty tighty, and if you can get it to break lose try a little heat to soften the thread locking compound. Springs are easy to fine, the other parts are not, so don't booger them up.
Then when you reassemble it, don't use a thread locking compound at all. If you feel you absolutely must, use blue Locktite 242 that is designed for disassembly.
