Get the Meprolight® Advantage :
Unequaled Low Light Performance
Brightest Night Sights Available Today
Used by Military & Law Enforcement
All sights are covered by a 5 years usable illumination warranty to original purchaser. 


The ML31618 set comes with a two-dot peep rear sight. This set can be used on A1 or A2 rifles with no problems. 
Either of these sights can be used on Bushmaster, DPMS and several other clones that have standard style peep sights.