Hello everyone. I am a long time lurker here and wanted to ask if anyone else has ever experienced a inconsistent zero shift when mounting a suppressor. To begin, I am shooting a bolt action .308 WIN with a 22 in. barrel (GAP #6 contour). My suppressor is a SureFire SOCOM RC2. For this rifle, my zero shift has always been minimal regardless of ammo used (approx. .25 in. to the right at 100 yards so any movement was prob me and not the rifle). As of late my zero shift has changed to 2.5 inches down and 1 inch to the right. I checked the suppressor for baffle strikes and there are none that I can see. Additionally, I mounted the suppressor on my 18 inch semi auto and the zero shift is the same at a 3 inch drop. The zero shift issue seems to be with this specific rifle. Has anyone else ever experienced something like this?
- Thread starter lsu11b
- Start date
When was the last time you weighed your suppressor and compared it to when it was new?
I personally weigh all my suppressors when they are new. Once it goes over a certain threshold, 2 oz, I clean them.
I have not weighed the suppressor, but good point. I did not see any excessive build up when I looked with my bore scope but will look into this. Thanks.
I checked action screws and scope to make sure nothing was loose. Additionally, I shot suppressed, measured the change, then let the rifle cool completely and shot unsuppressed. I did this 7 times over two days. No change to my zero unsuppressed. The only change is now I’m having to account for a zero change when suppressed where I never have had to in the past with this rifle.
I am cleaning my can now. Some carbon build up in the locking collar but nothing extreme. I Always clean the brake on the rifle when cleaning but never thought to deep clean the suppressor since sure fire markets the SOCOM as a suppressor that needs minimal maintenance.
Plug it and fill with clr, it’s the best carbon eater there is
I use the rubber plugs from the ends of a tube of copper and they work great but I’ve also heard ear plugs can do.
It shouldnt need much. Ive never cleaned a centerfire can. But anywhere it mates up needs to be reasonably clean.
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