Mine is back at the factory with a sight problem, i havent shot it yet. In this case they sent me a mailing label and it takes 4-6 weeks to get it back and they were nice enough.
My new 336W had to be sent back too but they refused a mailing label and it cost $21 at UPS.
1-800-544-8892, Mon.-Fri. 9:00 AM-5 PM EST. Start there.
Slim River Carry Slings for Henry AR-7