Manual

11
WARNING –AMMUNITION
To release the bolt carrier (which allows
the bolt to move forward) keep selector
on “SAFE” and either:
1. Remove the magazine, draw the
charging handle to the rear and
release. Allow the handle to spring
forward freely. Do not “ride” the
charging handle or otherwise
retard the forward motion.
2. Push the top part of the bolt catch
toward the lower receiver and the
bolt carrier will release. (See
Figure 4.)
CAUTION: Bolt carrier is under heavy spring tension and can injure fingers when it
slams shut.
AMMUNITION
The RUGER
®
SR-556
TM
Rifles are chambered for the 5.56mm NATO and .223
Rem. cartridges. The SR-556
TM
Rifle is designed to use either standardized U.S.
military, or factory loaded sporting 5.56mm NATO or .223 Rem. cartridges
manufactured in accordance with U.S. industry practice. See “Ammunition Notice”
& “Warning - Ammunition,” below.
USE ONLY FACTORY AMMUNITION LOADED
TO U.S. INDUSTRY STANDARDS
Figure 4
AMMUNITION (CARTRIDGES) NOTICE
WE SPECIFICALLY DISCLAIM RESPONSIBILITY FOR ANY DAMAGE OR
INJURY WHATSOEVER OCCURRING IN CONNECTION WITH, OR AS
THE RESULT OF, THE USE IN RUGER FIREARMS OF FAULTY, OR NON-
STANDARD, OR “REMANUFACTURED” OR HAND LOADED (RELOADED)
AMMUNITION, OR OF CARTRIDGES OTHER THAN THOSE FOR WHICH
THE FIREARM WAS ORIGINALLY CHAMBERED.
Closing The Bolt
Death, serious injury, and damage
can result from the use of wrong
ammunition, bore obstructions,
powder overloads, or incorrect
cartridge components. Even the
strongest gun can be “blown up” as
a result of excess pressure. Always
wear shooting glasses and hearing
protectors.
IMPROPER AMMUNITION
DESTROYS GUNS