how often do you remove the stock from the barrel?
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I never have! I hung up the rifle for good two months ago when I purchased a T/C Renegade -- then a 58 caliber 1-70" twist roundball barrel for it. The Shenandoah rifle had seen the woods a couple of times.... has seen the gun range 3-4 times... that's it! The barrel has been shot around 75-100 times. Now it stays on my wall. I bought some special grease for it from Hoppes so I don't have to oil the barrel every few months & watch the oil drip down my fireplace wall. If you clean & grease the Penn properly -- never use it during foul weather hunting -- there's no need to remove those very thin tenon pins..... ever!