Two words,.You know a Bayonet equipped model may be easier to do for them then I am thinking. Just doing it aftermarket.
There are A2 style flash hiders for the thread this carbine uses.
Then get one of these.
Two-part Clamp-on M16 Bayonet Lug
A Two-part Clamp-on Bayonet Lug for M16 type bayonets. This part is made to order using 3D metal printing and has an approximate 4 week lead time.cogburnarsenal.com
Barrel harmonics