walt_l Posted February 9, 2009 Share Posted February 9, 2009 I am from the handgun world and field strip as regular but don't remove the trigger assembly. I just got a Benelli M4 and it looks like the manual has me taking down the barrel, removing the trigger etc. How far do I need to break down the gun to clean? Novice question, but I had to ask. Thanks Quote Link to comment Share on other sites More sharing options...
Duggan Posted February 9, 2009 Share Posted February 9, 2009 Well, after the first lube your gun doesn't NEED to be cleaned at all really. If you want to do a "full" cleaning, then you take out the trigger group (1 pin pops out, it's easy to remove), take apart the BCG (same as any semi auto design, pull the side retaining pin, pull out bolt, spring, firing pin), and clean (do not oil) the gas pistons by twisting them out of the barrel. They stay pretty damn clean for the most part, and so long as your gun is oiled, it really doesn't need to be cleaned at all ... for thousands of rounds at least. If you want to clean/oil after every shoot, go ahead, it's up to you how far you wanna take it ... but just something I've noticed with m4s it seems, the more time you remove/replace the barrel, the more wear you get on the inside of the receiver wall ... a silver line if you would where the barrel extension rubs on the anodizing. It doesn't hurt anything as it is purely cosmetic, but I just figured I would point it out, as I've seen plenty of people remove/replace their barrel 50 times and then go "wtf why is there wear". I personally don't plan on cleaning my m4 ever again until something breaks or it jams. I'm going to see how far I can go. I'm at 1500 rounds or so thus far since my last cleaning, the only way you can really tell is the silver barrel extension has a little grime on it ... big deal. Quote Link to comment Share on other sites More sharing options...
Mr. Shotgun Posted February 10, 2009 Share Posted February 10, 2009 Try to download the USMC M4 serivce manual from the internet...follow that as a guide. if anything just follow your factory service manual that came with the gun. Quote Link to comment Share on other sites More sharing options...
HOGWILD Posted February 10, 2009 Share Posted February 10, 2009 (edited) http://www.militec.com/firearms/manual.html starts on pg 55! breakdown on pg 30! This will help a little, i do not think the Marines are having problems? Edited February 11, 2009 by HOGWILD Quote Link to comment Share on other sites More sharing options...
Klay smasher419 Posted March 11, 2009 Share Posted March 11, 2009 I clean mine with light oil. I will take the trigger mechanism, bolt, and barrel. Once and a while I will take apart the bolt. Quote Link to comment Share on other sites More sharing options...
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