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Messages - Zenshot

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R51 General Discussion / Re: Any range updates?
« on: September 13, 2018, 12:58:42 AM »
Ran another 100 rounds through it with the new mags and no issues. Good to go.

R51 General Discussion / Re: Any range updates?
« on: September 07, 2018, 08:57:13 AM »
Does it shoot low from a rest or is it something in the ergonomics that result in low hits?

R51 General Discussion / Any range updates?
« on: September 07, 2018, 12:56:46 AM »
Has been quiet here. Anyone been shooting their R51 lately? Anyone? Bueller? Bueller?

R51 General Discussion / Got some new mags
« on: September 05, 2018, 02:27:04 AM »
Got some new mags from Remington last week. I ran 100 rounds through them, including 50 hollow point and flat points that would jam in my old mags. Everything worked well with the new mags. I did not load them in a 7 + 1 configuration, only 6 +1. 
The new mags have no obvious difference but the springs feel a little more firm. Maybe just because the springs are new? Anyway, theyíre working so thatís what matters.

Introductions section / Re: Hello from NJ
« on: August 26, 2018, 12:45:56 AM »
Have always been interested in mechanical devices from cars, motorcycles and watches to firearms.
When I saw the terrible reviews of the initial R51 I knew I had to get it!  I guess I have a soft spot for the underdog in my heart.
Just picked up my R51 last night its a GEN 2 Huntsville 2 tone. Looking forward to getting to the range with it.
Welcome from Texas!  It sounds like you will like this forum - a lot of gunsmith tinkering here.  Post a range report when you get a chance.  We are always interested in how each otherís R51s are running.

R51 General Discussion / Re: New magazine design?
« on: August 24, 2018, 04:20:47 AM »
     I have 8 mags, from '16 to '18.  The only one I have not had to modify
is the 2018s.  Are you having trouble with nose dives or failure to feed?
Pick 2 mags, shoot them and only them, at least 4 loads in each mag.
 Keep a log of which mag performs.
And whether or not the mag was modified in any way.
It won't hurt to engrave  numbers on the sides of the mag.  That is what I do.
     See what happens, send me the results on the log you kept.
I will see how it goes.
     Also, remember do not use the slide lock to load the gun.
Slide the mag into the gun with slide locked back.  Pull back on the slide and
release it.  Then take the mag out and replace the round that is now
in the chamber.  That will give you 7 +1    :)
Are the follower legs on the 2018 mag shorter than the earlier mags?

R51 General Discussion / Re: Here's what Remington did to fix my R51
« on: August 24, 2018, 03:18:39 AM »
Your evaluation makes sense to me. If the lip tips the cartridge nose up, I wonder if the lip was added to help prevent nosedive jams. Has any of your ammo tried to nosedive?  On the other hand, mine will experience nosedive jams when using flat point or hollow points, so I suppose maybe the lip was not for preventing nosedives.

R51 General Discussion / Re: Latest Range Session
« on: July 30, 2018, 05:57:03 AM »
Thatís encouraging to hear about the new mag.  Neither my Charlotte nor Huntsville model has had an issue with shooting low.  Iíve had the issue with other handguns but not the R51s.

R51 General Discussion / Re: R51 Magazine lips
« on: July 29, 2018, 04:21:49 AM »
Just for comparison, I measured the width of the feed lips on my Ruger American 9mm mags.  They measure 0.335 front and back.  It looks like it fits the 9mm cartridge better than the R51 mags.

R51 General Discussion / Re: ammunition
« on: July 26, 2018, 10:28:03 PM »
Iíve had good experience with the Hornady American Gunner series. Any ammo with the Hornady XTP bullet seems to feed well.

Introductions section / Re: New to the Community
« on: July 25, 2018, 09:26:58 AM »
Welcome to the forum from Texas!  Itís the only forum to get helpful feedback instead of R51 bashing.

R51 General Discussion / Re: R51 Magazine lips
« on: July 25, 2018, 09:21:39 AM »
Well I had installed aftermarket Glock springs with a heavier wire...supposed to be a 15% or so increase... I lopped off one coil as the were way too tight and these work good.  Now the new mags the folks at Remington sent me have 13 coils...and these have run without a hitch
I was thinking of ordering a +5% Wolff spring designed to fit a 7 round Kahr 9mm mag.  I donít know if the coils will fit in the R51 mag though.

R51 General Discussion / Re: R51 Magazine lips
« on: July 25, 2018, 05:05:47 AM »
This in the comments section of the hrfunk video on the R51
by user Big10.  Re-posted because what we have been hearing from Remington and others is to remove a coil from the spring.  The following discussion seems to make sense and suggests the spring isn't strong enough. 
cut/paste follows:


The problem is NOT that the mag springs are too strong. The symptoms your gun is showing is often too WEAK of a magazine spring. The round is escaping the control of the magazine under recoil (inertia of the round tries to keep the round in the same position -- an object at rest tends to stay at rest) while the gun and magazine are moving backwards. But the pressure of the spring is too WEAK to hold the round in the magazine. When the the round pops free of the mag, it will be IN FRONT of the extractor hook. The next round below comes up to the top of magazine, pushes the escaped round up into the path of the slide on return, causing the bind between slide, round, and barrel . This is true for both the "weird horizontal pinched round" and the "stove piped" round. if you remove a round or two from the mag, it won't have the problem since the spring has less weight of the rounds to push up, keeping sufficient pressure on the top round.

Three points: (1) were any of these jammed rounds UNDER the extractor when you looked? I'm guessing "no". And if so, then they were released from the magazine BEFORE the disconnector rail of the slide pushed the round out of the magazine. (2) If you download the magazine, does it ever jam like this? A downloaded magazine is often used to prevent jams when magazine springs are weak (think Viet Nam and M16 -- 18 rounds vs 20 rounds.) (3) The old axiom: first round or last round of a magazine that jams a gun is a weak magazine spring issue; the fix is to install a stronger spring! Want to reproduce the issue in another gun? Got a 1911? disassemble the mag and cut a couple of coils from the mag spring. Reassemble and watch the same jams magically appear. Quod Erat Demostrandum.

Has anyone tried a stronger mag spring to test this?

R51 General Discussion / Re: R51 Range Test Take-II
« on: July 21, 2018, 10:19:49 AM »
Put another 200 rounds through my Charlotte model R51.  I only run it loaded with 6 + 1 (not 7+1) and never has any feed problems with any of my mags.

Hasnít happened with my Huntsville model, but I still only have less than 500 rounds through it.

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