by FuzzyGrub » Wed Dec 02, 2015 3:22 am
Absolutely make sure that there is no air pressure in the gun! While tight from the factory, never had a rounding issue using the correct allen wrench. The 5/64" is the correct size, Never use the ball socket style on this.
John
Prods: 2201P .22 Pistol, 1720T Camp Carbine, M4 .177/.22 Carbine, PMrod .177/.22 Rifle, MProd .22
Mrods: .25 MDRL Bullpup, Srod .25 Syn Stock, Gen II Woody Reg'ed 177