Sendaro brass sticking after shot
- Thread starter jonnyo1
- Start date
I have a sendero II in 7mm rem mag I had the identical issue. And my brother bought the same gun from the same place I bought mine from and they both had that issue… after I shot I couldn’t get the brass out 9/10 times I had to jam a cleaning rod down the barrel to get it out. my extracted brass had scratch marks on the cases. I had burrs in the chamber I sent it back to Remington they sent it back with the burr removed but then the gun shot like #### they sent a generic photocopied paper target to show it shot great… well I sent it back again because it shot like #### they confirmed it shot like #### and sent me a new rifle with a real paper target… that sendero II has been sitting in my safe brand new the last 3 years and counting lol.
Talking with warranty they said tooling gets out of spec from the factory and this is the result. The best guns come from the first guns that come from fresh tooling and the bad ones come from the end of life from the tooling
Talking with warranty they said tooling gets out of spec from the factory and this is the result. The best guns come from the first guns that come from fresh tooling and the bad ones come from the end of life from the tooling
When I still had my 300 RUM (re-barrelled since then) I had to load near the minimum to avoid sticky extraction. Thing was; those starting loads had a higher velocity than the Nosler book gave for the Maximum loads. You sure wouldn't know it by looking at the primers though.
In the last years of Remington I saw a lot of rough chambers and lousy extraction. My friend and shooting partner seemed to get most of them.
In the last years of Remington I saw a lot of rough chambers and lousy extraction. My friend and shooting partner seemed to get most of them.
- Location
- Western Manitoba
Something to check? An acquaintance had similar symptoms - turned out his newly inherited rifle, with a "custom" barrel, had a smaller than SAAMI neck diameter in the chamber - was a 7 mm STW - so could have been made while that was still a wildcat - in the end, he discovered that he could not slide bullets into the necks of his fired brass - that chamber apparently needed the case necks thinned, which he never was doing with his re-formed 8 mm Rem Mag brass. Was all kinds of over pressure signs as a result of that tight neck - brass could not release that bullet at all. The Grandpa may have had it under control, but was all new to the grandson.
Years ago I had a 7x57 that would have the brass quite stuck in the chamber after firing. Thinking that it was over pressured, I loaded some VERY mild loads and got the same result. Stuck cases. I tried everything to no avail. Finally at wits end I noticed that the chamber walls had no shine to them but a dull matte finish. It was a very fine a very fine skim of rust from high humidity in the basement. I took a small wooden dowel, split the end with a hack saw and loaded the split with extra fine steel wool and lots of light oil. Chucked it in a drill and gave that chamber a good polish. Problem solved. Years later I saw the same in another rifle. The rust would hold the fired brass with an iron grip.
Agreed... and I've see the same with very fine tooling marks on the chamber walls... chuck a bore brush and swab on some Flitz and give it a spin and "voila" problem solved. A friend also had this problem with brass corrosion mixed with paste lubricant forming a glue-like goo on the brass that heated up on firing and jammed the cartridges tight. Clean brass, clean chamber is a good place to start.
That’s super interesting. I’ll check that out because it never used to do this nearly as much as it does now. I’ll update with results
