Knowledge Base

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Top 10 FAQs
	Ammunition, .223 & 5.56mm
	Beware the dangers of CHEAP AMMO!
	What is the proper "break-in" procedure for a chrome lined AR barrel?
	A PROSPECTIVE AR-15 OWNER/BUILDER'S PRIMER
	What is the best cleaning procedure for the AR? - and how often?
	What parts break most often on the AR15? - and why?
	Are heavy barrels better than standard barrels?
	Will a Bushmaster upper receiver match up with my Colt lower?
	The Basic Drill
	What caused my gun to jam?

Recently Added FAQs
	I purchased a used rifle and need to know what the specs are. How do I tell if the barrel is chrome lined. Mod. XM15-E2S Barrel stamp B MP 5.56 NATO 1/9 Also can I get an owners manual for this gun?
	what are the markings of authentic flat top upper receiver of a real bushmaster?
	What is the stock trigger pull (lbs) on a xm15 E2s in 223/556? Thanks Pat
	I recently purchased a Bushmaster Modular Carbine. It came with rail covers installed on the 4-rail handguard. There are no instructions on how to properly remove the rail covers. Can you provide proper procedure for removing and reinstalling the rail covers.
	I just purchased a Bushmaster Target Model Rifle A3 20" (BCWA3S 20). My son and I have very different eyesight and for pistols use different shooting aperatures to improve sighting. I am interested in your competition apperatures but am not not sure if they will easily fit this model. Please advise how to best proceed. If I fit this rifle with a scope, what are the pros-cons of mounting to the handle or to the rail under the removable handle? If mounted to the rail, which riser do you recommend?
	My excellent varminter has turned into a single shot. Am useing good ammo.winchester.Clean it well and regular. Checked for gas leaks. No help. Still won,t cycle completely.
	i recently purchased a bushmaster orc and im having trouble finding aftermarket handguards any suggestions would be great.
	I am retiring from active duty in two years and interested in becoming a gunsmith. Does Bushmaster have any gunsmith traing programs?
	How do you turn the safety on, on a 9mm 380
	Bushmaster Field Repair Kit AR-15 - Can the parts in this kit be used in a Remington R15 and do you have a gas block that you would recommend for the R15? Thank you