Teardown is not an issue for me, but putting it back together is the bear. I al2ays manage to lose grip and the barrel ends up pinching my finger against the block. Thus causing me to work the slide and maneuver the barrel with a finger that is already screaming at me. The contact surface of my clamp is not grippy enough to hold everything back. I have some rubber tape that should work

Spring rate and total length would be the main factors. Then wire thickness where the " compressed " height would come into play

The only difference I could tell with mine is between gen 1 and gen 2

I find it appalling that the company that built a gun gets blamed more than the asshat that points it at innocent people and willingly pulls the trigger. Nobody blames Chevrolet when a drunk kills someone.

i ran 100 or so rounds through my R 51 and only had 1 issue, one of my gen 1 mags had the slide lock back on round # 6. not a nosedive, just locked back. all the brass ejected clean and followed the same path. so i will be taking apart the older mags and trim the follower legs. mainly because i can and i have 4 other mags that are serviceable. i need to get more ammo then i will order replacement mags. i will try the spring flip too. don't cost anything

we better order our parts and pieces while we can

i am not above modifying, and will probably  do the leg shortening once i know which mags need it. i was thinking maybe an overall width increase of 1/4 inch. possibly less. we shall see. i do like the look of those on their ebay account

brakes ,shocks, sway-bar links, (one mount point bent required BFH to re align) and fix the caliper mounting brackets that caused the premature failure of the brake pads in the first place. much of the hardware was siezed due to the NY DOT salting the crap out of the roads in the winter and not washing the underside of the car.
     As to the R51, i loaded the 4 newer mags and fired them off yesterday, used federal Premium FMJ 115 gr practice ammo. no issues aside from me needing aim practice. loaded 7 rounds in each, and was able to depress the stack another 1/16 to 1/8 inch. stiff though. i figure the springs were maxed out. going to pick up another big box of ammo so i can do long term testing including the 2 gen1 mags i have. they are a bear to put 7 rounds in and dont have any free play available.i dont want to mod anything till i have good data. other than the grip is a little narrow, i love it. working on plans for a steel target rig that can be set up or torn down in a few minutes and is light enough to transport anywhere. target vehicle size is a Subaru Forester.

i usually use a toothpick and dab it on the threads of the bolt or screw. let it start to set up a little and then send them home. no muss, no fuss.
and we should probably put our name at the end of our post.
help keep us confused people straight.
peace.
Chris

picked up my r51 last night, but due to a friend having vehicle issues, i ended up replacing rear suspension components all day today. soo i will get some mags loaded tomorrow and put 50 rounds through her. i did clean her last night and had a tough time with the slide. i tried the clamp trick but my clamp wasn't strong enough or the ends weren't grippy enough. either way it was a pain. so i will have to practice with it more. what was the size of the block that Blackie uses? that might work for me too. maybe my hands were tired from twisting wrenches. not sure.

lfd has the xde in 9mm that fits my average size paw very well. he also has a desert eagle 1911U officers model in stainless. chambered in.45 that felt like it belonged in my hand. i just cant swing the price tag right now.

Chris

00216xxR51   Charlotte

ok folks, i went and paid for my r51 today, now i have to wait on the great state of NY (sarcasm) to get its head out of its ass and fix the computer system so i can register it and pick it up.
     the seller included 6 mags and i noticed a few things while looking them over.
1) 2 gen 1 mags. both look like all the ones in the hater youtube reviews. thin floor plates and wobbly followers.
2)the seam on the back where they were welded together were not flat. they have a slight angle at the joint. maybe as much as 3 degrees.
3) the 4 later mags all have heavier floor plates ( almost double the thickness) and the followers have a more pronounced profile with the center ridge higher and at a steeper angle.
maybe Rem. sub-contracted the original mags  to the cheapest bidder and got a bad deal?

now that i am anticipating the arrival of my R51, i am researching my in home nightstand piece. i really like the xd .45. does anyone here own one and can give me an honest opinion?

i committed to the purchase of a R51. i spent a ton of time watching the reviews, reading the articles and trolling this forum. i was amazed at how some of the youtubers immediately bashed the gun because it wasn't a glock. just looking for an excuse to hate it. i have fired this R51 before.put 7 mags through it without any hang ups. federal 115 grain practice ammo. fits my hand well and easy to put on target and stay there. with all the info that is on this forum alone, i think i can fix ant issues that arise. i have a machinist friend that may be able to make a better fitting follower if needed. i am getting 6 mags and a iwb holster with the purchase. i will update when i have it in my hands. i plan on running 50 rounds through it the day after i get it. i can shoot out my back door. have to love country living!
Be Safe
Chris