01-25-2012, 02:39 AM
The SDN-6 was made for the 300 blackout with a 8 to 10 inch barrel. I have read that it is not a good match for a full length barrel. I am in the same postion - I have a grendel in 18" and am building a 300 blk in 9".
Anyone know if the SDN-6 will have issues with the grendel 18" barrel?
Anyone know if the SDN-6 will have issues with the grendel 18" barrel?
