| http://www.w3.org/ns/prov#value | - Although rear end cap 8 and front end cap 9 are not shown with screw threads to allow secure attachment to housing 1, it should be understood that screw threads or other means such as welding or bonding may be used to secure attachment of rear end cap 8 and front end cap 9 to housing 1.As the firearm is discharged, the projectile passes through rear end cap 8 and into the initial gas expansion cha
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