AR9
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$20000RCM AR9-SD Barrel, 6.875 OAL, Made from 4150 CMV Mil-Spec Hammer Forged Blanks, Salt Bath Nitride Throughout. Standard Blow Back Design Only. Compatible with all MP5-SD Suppressors.
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$20000RCM AR9-SDK Barrel, 5.875 OAL, Made from 4150 CMV Mil-Spec Hammer Forged Blanks, Salt Bath Nitride Throughout. Standard Blow Back Design Only. Compatible with our SDK Suppressor and a couple other Manufacturers SDK Suppressors.

