Allen Engineering M4 Extension Adapter

Extension Adapter for M4 Barrels
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Allen Engineering Suppressors

If the barrel is too short to properly mount the M4 Collar with only has 1" of exposed barrel, this adapter will add the necessary length. This will also fit on long barrels, but will and about 1" of length.

This adapter does NOT require the AEMB to attach the suppressor.

This fits the AEM4, AEM3, and AEM2.      

Additional Info

Additional Info

Manufacturer Allen Engineering
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