Primary Weapon Systems MK109 MOD1 Upper 9.75" 300 Blackout
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$1,475.00
$1,475.00
per item
Quieter than a pellet gun when suppressed with subsonic ammunition, and packing a punch unsuppressed with supersonic ammunition, the MK109 upper is a favorite in applications ranging from defense to hunting. Due to its specialized nature, the MK109 does not feature an adjustable gas block.