Hi my fellow mws owners, i new to the club as i have just spent a few pennies on a new mws m4a1, 5 mags and a lovely vortex 1-4x scope. After a few days reading through this forum, i have purchase a new bucking, inner barrel (asked dave for brass nubs) fire selector as i want to learn how to fit upgrades myself has anyone got any videos or links to do following upgrades.
 
	- mws disassembly 
 
	- bucking replacement 
 
	- inner barrel replacement 
 
	- fitting brass nub
 
	- fitting npas
 
	- locking fire selector to single shot ( as i want to Dmr it.
 
	 
 
	Any help would be greatly appreciated ?