You have to hit it with a slede hammer until it breaks down then you've done it
What Model 51 pistol or a rifle and what model?
Go to Remington.com and request a manaual.
Yes, they are directly available from Remington Arms. If you contact them via their web-site Remington will send you one. The RH or LH basically requires the same type of maintenance.
Go to Remington's web site and you can request a manual for free.
Go to Remington's website and and you can download one or have one mailed to you.
Go to site listed below you can download the manual for free. http://www.remington.com/library/downloads/owners_manuals.asp
$350 Down south
Send me your email & I'll send you a copy of the original manual.
It depends on which model you have.
o You need to find a gunsmith
You need a gunsmith
Ask a gunsmith for assistance.