Robarms XCR FAQ post
- Thread starter SIGGER
- Start date
I actually had a recent and unexpected issue. Few weeks ago at my range my rifle heated up pretty badly and my accuracy went absolutely bonkers - literally my usual 3-4 inch groups turned into worse than sks barn door accuracy. So I brought the gun home and upon inspection noticed the gas adjustment knob was fully loose and did not stay in place. Not knowing how to fix this I sent it to wolverine for repair. The gents at wolverine fixed it and tested for accuracy and I will be receiving it back shortly.
During my email conversations with the gunsmith at wolverine however he never fully explained to me what broke and how he fixed it, so I am hoping some folks here have some insight in case it happens again so I can fix it myself. I also noticed my gas tube would not separate from my barrel. It was super tight and I could not get it off by hand. (i have the competition model) Has anyone else ran into this? What did you do to get it off?
FYI i have around 2k rounds down her.
During my email conversations with the gunsmith at wolverine however he never fully explained to me what broke and how he fixed it, so I am hoping some folks here have some insight in case it happens again so I can fix it myself. I also noticed my gas tube would not separate from my barrel. It was super tight and I could not get it off by hand. (i have the competition model) Has anyone else ran into this? What did you do to get it off?
FYI i have around 2k rounds down her.
Type 3 Gas system and Tube, no experience here. Wild ass guessing, did you ever lube it with oil or grease? Maybe carbon solidified, caused a pressure issue and blew out your gas selector.
Damn that is a pretty good guess. I have used an oil based cleaner once before to clean the tube and maybe it was not perfectly dry before re installing it. Or perhaps lube on the piston?
Will see what the gunsmith at wolverine did once I get her back.
I put a dlask adapter on my XCR-L with buffer tube and stock off one of my AR's to see how it felt, and it's greatly improved in my opinion. I have some parts due to arrive, tubes, castle nuts and end plates. Now I just need to find a decently priced target stock for XCR-M and a decent AR stock. Currently look at Mission First Tactical, I've had them on AR's before and work out quite well. Any recommendations that work good with the XCR?
After looking through premium glass I could never go back to a strike eagle
Jonesyatpl
CGN frequent flyer
- Location
- Nanoose Bay, BC
Can't afford the elcan, but happy enough with the strike eagle!
Balance is good....
I know this is a rather old question but I figure I'll give my input. I recently upgraded to a competition model from a regular keymod. In my experience and opinion the new Wylde chamber in the Comp model is shooting my spam can norinco 5.56 ammo significantly better.
Previously my old keymod rifle (with a cold pencil barrel, ACOG 4x32, prone resting on my range bag) would print 5rd groups of norinco in the 3-5" size range.
My new competition model grouped the same ammo consistently under 2" while zeroing the ACOG.
I have yet to test some higher end ammo (hornady superformance 75grn) which previously grouped at sub 1" in my old keymod.
More info and pics in my thread about XCR accuracy.
I hate keymod but the XCR is so ridiculously heavy I see myself saving up for a keymod upper. The competition length is probably still lighter than an original quad rail. ####ty thing is I'll need new gas blocks for my barrels and a new tube also. Pencil barrel is light (and feels much lighter) but looks dinky. Went for the Strike eagle on the XCR and Elcan on the Colt IUR.
Has anyone came up with a working fix for the stupid lower reciever take down pin retaining clamp? It pops off so easily.
Has anyone came up with a working fix for the stupid lower reciever take down pin retaining clamp? It pops off so easily.
I install the pin to mate upper and lower, put on the retainer clip so that the open side faces down, then close the upper/lower together to trap the retainer clip in the "up" position. I hope that makes sense.
I'll try it out! Thanks dude.
My old keymod xcr came in at about 7lb 2oz naked and I believe the comp length is about 7lb 8oz. It does feel a slight bit heavier.
Personally I've never understood all the "weight snobs" out there. The average person that thinks an extra half pound is going to lose the 3gun match for them is sadly mistaken.
I currently have zero interest in reloading. If I can find something off the shelf that will shoot 1 minute for the 3% of the time I'll need it, I'll be more than happy.
