Well so much for brand new BSA mk2 .....

Can any of you take a pic of how our baffles are arranged in your shroud? I am pretty certain the previous owner messed up the order in which they are installed and the parts diagram is not clear to me how things are installed. Have had no luck searching for a clear pic of things.



Thanks - Brian

Hope that helps. I know the picture is not the best so ask if you need more info.

I've learned more about o-rings than I care to think about, but I think I have the size figured out.

I asked P.A., and one of their techs said 11mm x 3mm. At first I thought he was just rounding off the 111 sized o-ring at 10.77x2.6 but it turns out that there IS an 11x3mm o-ring.

I have several of those o-ring kits, the type Harbor Freight and many others carry, it looks like what they SELL as a metric o-ring kit is simply the SAE kit with the label converted to metric! So the "metric" 111 is just a 7/16" x 3/32" SAE converted to metric dimensions. Hence the odd sizes. In other words, the metric kit is just an SAE kit with a different label.

In Europe, they have actual round number metric o-rings such as 11x3, 9x2 etc.

So the so called metric kits you can buy here are only going to be useful some of the time since they are not actually metric o-rings. Good news is 11x3 is available on Amazon and a dozen other places.

I guess if my double stacked 111s ever fail I can then buy and fit the proper 11x3mm o-ring and be done. So far they are holding up.

European O-Ring Sizes:

Hope that helps. I know the picture is not the best so ask if you need more info.



Thank you very much sir!!

Click to expand...

So now that leaks are fixed how’s everyone liking their r10? I bought and installed a huub shroud for mine and it definitely makes things quiet, I’ll try posting some before and after videos so you can hear the difference. I also was curious how loud it is without the stock shroud, the answer is VERY. Nearly the same as a standard 22lobg rifle so the stock shroud definitely makes things quieter. The huub was fairly easy to install but if your in the states expect shipping to take a few weeks. You could also go with something like a hugget or Donny fl LDC but I like the look of a shrouded barrel without the can on the end .

I only have a couple of spring guns to compare with, so it seems pretty quiet to me. The worst noise is as the 22 pellet beats the crap out of a 1" thick piece of red oak in the back of my diy pellet trap. So far I've destroyed two PTFE cutting boards, and a piece of poplar. I thought the red oak being a very hard wood would do better but nope it's getting destroyed even though it's tilted at 45 degrees like the armor on a T34 tank. Well, I do have some lignum vitea, which is SUPER hard, but I'm loathe to waste it as that stuff costs a fortune. Oh, yeah, I tried hanging a large towel foldeed into four in front of the oak but the gun just blew a hole through that in short order.

Very happy with my R10. I'm thinking of bumping up the regulator pressure to shoot 18 grain JSBs at 870 to 890fps. It is very accurate with the JSB 15's at 866fps but I would like a little more wind drift resistance.

Ken you should try a rubber mulch trap. They can be as simple as a box filled with the rubber much. Stops everything, quiet, cheap and all you have to do with them is replace or tape over the cardboard.

Kingston and Mike. I"d like to see some pics with the Huub shroud and the Tanto installed.

Well, the saga continues................

I was woken up in the middle of the night, I thought a water pipe had burst.

But no, it was my R10 dumping 230bar of pressure inside my bedroom cupboard. It held for a complete week at full pressure, then let go. I suspect it's the double stacked 111 o-rings. O-rings are not designed to work that way. I'll check later today, and order some 11mmx3mm o-rings off amazon.

Got to admit, I am getting a bit tired of this! If it weren't such a nice gun I would give up on it and swap it out for something else.

Yup, 3000psi will do that to you..........



That's a viton o-ring blown out the gap. 

Sorry to hear that mike. I’m sure the o rings are like what I found, hard and brittle. As for the Huub Shroud, I’ll try to get some pictures and a video comparing it with the stock shroud. It’s about 2 inches or so shorter than stock but wider diameter and it’s a matte finish which imo looks better and is easier to keep clean. Xtx has a video about it but it’s basically a huge LDC so it’s going to be quieter than most everything else.

It sucks you guys had the leaking issues you did since the R10 is a very nice and very accurate rifle. The one thing I would recommend would be to replace the factory regulator with a huma and that should solve any leaking issues due to the bad factory regs. I understand if you feel like you shouldnt have to dump another $125 into a rifle thats new and replace a regulator. For the guys with leaks in other areas if you get the correct orings you shouldnt have any other issues. unfortunately im not ready to sell my R10 so I cant offer one of you a good one.

I didn't mind delving into my R10 to replace all the o-rings. I figured i'd be changing o-rings one of these days no matter what rifle I had, so the experience is useful. With XTXs youtube videos as a guide - oh, and ukraine airgunner for the regulator strip - it's not hard. The o-ring kits are $30 from the UK and get here in a week. My only screw up was I think I must have used the official 11x3mm bottle o-ring elsewhere in the rifle. No bigee, I can get 25 of them off Amazon for five bucks.

Mike, it's worth the investment of time, although I get your disappointment.

Mike,

Did you get a refund? PA have anything to say about this lot of guns?

I I was in your shoes gents I would be asking the sellers when your rifles were made and how long they have been in stock. They may have bought old but in sold rifles from BSA at a knock down price so that BSA could clear the shelf’s. I would also ask how the rifles are shipped to the states if they have sat at BSA with no air in them then traveled to the States and sat around at the sellers then the O rings are bound to start to fail as we all know rifles should always be stored under pressure.