I have a remington model 34 bolt action .22 caliber rifle that I learned to shoot on back in the 70's. My dad left it to me when he died, and somehow between then and now the rear peep sight was bent. It is a great little rifle with many memories and adventures and I feel bad that it was damaged. The component that was damaged was the vertical riser that holds the rear sight, so now it shoots about 6 inches low at 50 yards. Can I take a wood block and mallet and tap it back into true, or do I need to heat it some? I looked online for a lyman rear peep sight, but didn't find anything. PS, I am still looking for a lever action .38/.357 rifle.