K31 and G11 Light strikes?

LeeEnfieldNo.4_mk1

LeeEnfieldNo.4_mk1

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So drug out the K31 and the new to me G11 for a few rounds. I have been nursing the same case of GP11, 1981 dated, for about three years now. So far every round has gone bang first try, until toda when I had three light strikes/FTF.

First failure to fire happened with the G11, I figured it was a 99 year old rifle and the main spring might just be a little weak. Then it happened twice with the K31 that had fired about five battle packs from the same case of GP11 without a hiccup. all three rounds were from the same pack. All three rounds fired with a second attempt.

Left me a little confused since I have heard that GP11 is extremely reliable, but three round from the same 60 was a little odd.

Could it have been the rifle? or have the legends of GP11 been a little exaggerated? Granted I have not cleaned the bolt for a while but I just tore it down and it was not horribly dirty. I am using original grease from a K31 cleaning kit.

Thoughts?
 
Clean all the bolt parts and leave a very thin layer on the metal.
Leave a bit more grease where the op rod enter the bolt.
Clean the bolt face and extractor while you're at it.
Bolt should be closed with some authority.
Pulled back sharply for extraction until half way back, then ease up to let case just drop out against ejector.
We had some badly stored GP11(opened wax paper 60 rd packs store in someone's humid basement for too long that had some problems
Did your 81 ammo still have the wax ring at case mouth?
 
Yep still has the wax, ammo looked fine. No corrosion or anything, was still sealed in the wax paper packs.

I'll give both bolts a good clean again and a light lube like you said. Maybe I over greased them? I wonder if I had to much in the firming pin channel is might have acted as a hydraulic brake and slowed down pin enough to cause a light strike?
 
from the manual:
19 Misfires can be caused when the bolt is not closed all the way, the firing channel is dirty or full of
grease or the point of the firing pin is broken. If these causes have been eliminated and the rifle
still does not discharge and the cartridge will not fire in another rifle, then the cartridge must be
considered a “misfire”.

http://www.swissrifles.com/sr/english_k11_k31_manual.pdf
 
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