12 ft lbs is more than enough for a springer. Anything above 9ftlbs is enough for me. I should mention at this point I am a target shooter only and seated rested only. I just use one hand for shooting. Keep your left hand strictly out of it. The recoil is a constant thing if you leave it alone if you touch the forend in any way you will alter the recoil slightly each time and thus the point of impact Just tuck your clenched fist under the tip of the butt in your shoulder and alter the sights by clenching and relaxing you fist. This technique is obviously not much use for a hunter unless you can rest the rifle. Pics show 25 shots at 20 yards using this technique. Coin is a 5p uk smallest coin. Gun is my 77 shown with a Weihrauch Diopter and plastic clear circular front sight. 
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