This 5 port design has no downward facing port which helps eliminate dust problems when shooting in the prone position. The 5M1 maintains the agressive front end for hand-to-hand situations. For threaded barrels only. Includes crush washer.
Download: CORE15 Rifle Manual PDF (6mb)
Download: CORE30 Rifle Manual PDF (6mb)
NOTE: Serialized parts are required by Federal Law to be shipped to an FFL (Federal Firearms License) holder. Please fill in the Ship To address to reflect the chosen FFL's Premises address.
To expedite the process have the FFL holder email a copy of their FFL to firstname.lastname@example.org with your information (Customer's name and Order Number).
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