OK next project is making my AA Combat quieter, I know the plastic stock is a sound/echo box and some fill it, but ..best fill material?
Next any other tips to calm the beast please, lovely gun but so noisy a firing cycle....
Cheers
OK next project is making my AA Combat quieter, I know the plastic stock is a sound/echo box and some fill it, but ..best fill material?
Next any other tips to calm the beast please, lovely gun but so noisy a firing cycle....
Cheers
foam in the stock - not the expanding type, it will break it. Or bits of rubber matt (and foam). old rags. you get the idea.
Firing cycle - biggest gain is to find a spring that fits the guide properly, to stop the twang. Then add a piston sleeve to stop it rattling around inside the piston, and gob some grease on it all - you are not going for FT level consistency.
All that's then left will be a bit of muzzle crack - that's part of the fun, so leave it alsone... but obviously a silencer can be fitted if you really must.
PS Don't fit a PTFE piston head
Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
Ignore what he said, it's all rubbish!
Sell it to me
Ok, proper spring etc will help I suppose........
good job.. I knew there had to be a reason with that guide
Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
I had a Combat project a couple of years ago but sold it on, the rear guide is indeed fixed and I had a friend of mine machine the guide down and then had him make up a delrin guide that slipped over the reduced fixed guide and then fitted the new spring snuggly, I never got the rifle back together to see if it worked.
Pete
Far too many rifles to list now, all mainly British but the odd pesky foreigner has snuck in
was going to try expanding!! had not considered it could break the stock...doh...I could brace it correctly. I really fancy expanding as it would fill void very well and should be the best way... and light !!
Oh shall I try it and let you know LOL !! It is near mint and do not want to break it........oh but the challenge !
As for the PTFE... ha ha, yea will give it a miss
Cheers
yes it would, whichever is easier... but I seem to recall I didn't do that on mine for some reason - I can only guess that the guide was either fixed, or had some annoying size / machining to the rear... eather trhat, or I just got lucky finding a spring that fitted and went with the simplest solution ?! Who knows, it was years ago
However, even the std spring rattled around inside the piston, so you need a sleeve regardless...
Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
You were right it is a fixed guide Anyway I had the day spare so went for it !
I stripped it fully and DID use expanding foam I checked a few specs and used a B3 grade expanding polyurethane foam. I kept a few "blow holes" clear as it cured and dripped warm water in the blow holes to make sure the foam cured all the way through fast !
It worked better than I could have hoped !!! sorted !
I changed the piston ring, degreased everthing. Made a plastic "oil bottle" spring guide with internal "slip" washer.
Next as no way to get a suitable spring today or make new guide, I resorted to the good old Maccari tar, but only all over the spring guide end!
bit of moly here and there and a smear of some silicon stuff hanging round.
All back together and like a different gun !
Thank you for giveing the tips and causing a happy day !
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