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The thread configuration for this shotgun differs from the Benelli M4
There are several factors that coincide with the 922R process. You will need to contact ATF or local law enforcement to see if you can install this extension and be compliant.
No this extension shown is for a Benelli M4. We do make extensions for the Nova shotgun. We have 7 Shot item#04502, an 8 Shot item# 04507, and a 10 Shot item# 04510.
Unfortunately we don't have a magazine tube extension for the Panzer Arms M4 Clone.
We do not have information on this model of gun and therefore cannot confirm if this extension will fit.
04508 is an extension that only fits the M4 shotgun and will not fit the 612 shotgun. Item# 04511 is the only model of extension that we make to fit the 612 shogun.
No this M4 extension will not fit the Nova shotguns. We do make Extensions to fit the Nova shotguns. Item#04502 is the 7 shot, #04507 is 8 shot, and #04510 is the 10 shot extension.
The thread configuration for this model of shotgun differs from the Benelli M4
The Benelli M4 per their website states a stock M4 fits 4+1 which covers 2 3/4" and 3" respectively. However in reality using a 2 3/4" shell you should get 5+1. Our magazine extension allows for 2 additional shells which follows the same premise as above (using 2 3/4" shells you should get 7+1 - 3" shells you should get 6+1)
Yes Sir it is!