The only ammo I use in my S&W 15-22 is CCI-SV. I find it the most economical, consistent, and accurate at 25 yards. I frequently read comments that other users have cycling problems with CCI-SV ammo and they need HV ammo. Here is my bolt cleaning method to keep it 100% cycling with no (FTL,FTF,FTE). First image is the dirty bolt face after 75 rounds. I scrub the bolt face with a bronze brush and Clensoil. I focus on the cartridge rim face and edges to get them clean.
There are two metal bolt side guide rails that guide the bolt as it recoils in the poly receiver. There are two points on the bolt (front and rear) on both sides where the side guide rails touch the bolt. These touch points accumulate dirty oil and burned powder and create recoil friction as the bolt recoils and returns to cycle the firing. I do a full field strip of the bolt to remove these guide rails to clean them and the bolt side groves for the rails. Focus cleaning where the guide rails touch the four front and rear spots of the bolt. I reassemble all with a few drops of gun oil on the guide rails and the bolt's top recoil spring and guide rod.
There are two metal bolt side guide rails that guide the bolt as it recoils in the poly receiver. There are two points on the bolt (front and rear) on both sides where the side guide rails touch the bolt. These touch points accumulate dirty oil and burned powder and create recoil friction as the bolt recoils and returns to cycle the firing. I do a full field strip of the bolt to remove these guide rails to clean them and the bolt side groves for the rails. Focus cleaning where the guide rails touch the four front and rear spots of the bolt. I reassemble all with a few drops of gun oil on the guide rails and the bolt's top recoil spring and guide rod.
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