Manufacturer: Allen Engineering
Part Number: The AEM5 is the direct fit replacement for your MK12 SPR. The AEM5 attaches to the weapon via a mount(not included) and a collar that goes over the barrel for alignment. The suppressor mounts via threads on the outside of the mount centering on the adapter fitting. A 20 degree taper on the adapter locks the silencer onto the barrel.
Specifications:
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Caliber: 5.56
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Length: 8.8"
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Weight: 21oz
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Finish: Black Oxide
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Knurling: yes