Compiled Buffer Spring Data

[98Z5V]

7 hours ago, Dewey Mack said:

No one else is doing this, and the industry sucks at marketing. Case in point, just look at the AR10 carbine and AR10 rifle springs tested. They're all "designed with stated intent", and yet their spring rates are all over the place. That's why some guys just give up, drill larger gas ports, and slap an Orange Sprinco in there. Will it work? probably. Is it ideal? Nope.

This is exactly why I made the thread that I did, many years ago, about recoil systems, and gas systems.  Exactly why I made that thread.  It's still up here, by the way.

[98Z5V]

7 hours ago, Dewey Mack said:

How about a collaboration? You provide me the equation you use for gas port sizing, and I'll try to make a website or an online calculator to quickly provide results? It could also have spring and buffer recommendations? You have more knowledge than me on tuning AR10s, as I've only made 3 myself (1 carbine, 1 A5, 1 rifle buffer systems), so I'll need your input for the recommendations.

How about it??

I'm completely in for that - the more information that real, accurate, and is available - the better for everyone that fuqs with large frame ARs - and AR PCCs...   

I've pretty much run the gamut.  I have all the Large Frame AR calibers that were derived from the .308 Win Cartridge.  Biggest to smallest, is .358 Win, .338 Fed, .308 Win, 7mm-08, .260 Rem, and .243 Win.  They all run, but all the recoil systems aren't identical.  Alot of the recoil springs ARE the EA1095 or the Sprinco Red, with 7 5/8" internal depth carbine extensions, though.  That's a constant in making the platform PERFORM, across multiple calibers.  Nothing else works correctly.

PCCs.  I fought my first AR 9 for years, before I got that thing to run right.  EA1095 did it.  Same with my AR 45 - doubled, on it's own.  Spring was too weak.  EA1095 fixed that one, too.

Researching PCCs, and a specific manufacturer, years later, they recommended the EA1095 or the Sprinco Red for ALL PCC builds, because it's the only thing that works.  I found that information YEARS after I figured it all out on my own, and made my own guns run right.

My recommendations, and my comments, don't come lightly.  They're not based on internet research - they're based on real world problem solving that I've had to do on my own guns.  

Don't confuse your empirical data with my real-world experience, and try to discount what I say, which I've actually done - based on some spring rate that you've measured...   

If you want to tell me that I'm wrong - then build a gun, run something else in it for a recoil system, and prove it.  You want to challenge my PCC recommendations?  Blowback systems?  Build a PCC, and figure out something different that what I recommend, and come back with results and proof.  I'm all okay with that, if it happens - I'd welcome it.  

Edited June 24 by 98Z5V

[98Z5V]

1 hour ago, 98Z5V said:

You provide me the equation you use for gas port sizing,

I have already posted the exact equation, right here on this board, and explained it all in excruciating detail.  With diagrams, to explain it all.  

[Dewey Mack]

I'm still trying to figure out what you think I'm doing wrong here. What am I missing? What bravado? I was stating how you were calling me out for recommending springs outside their designed intent, and then you go do the same thing. That's all. I've used "AR-10" springs that don't work and "AR-15" springs that do, so I don't understand the hate.

I only own 1 PCC, 9mm, and I'm using the KVP 308 carbine/PCC spring with it, and it works fine with their 7.5oz buffer. I only have issues with feeding hollow points, but that's more of a small feed cone issue with my Faxon barrel I believe. It eats all RN ammo fine.

What am I missing in my spring rate testing that you think I need to add? I'm asking honestly. Providing data isn't bravado, it's simply providing data for data's sake. 

And I'm very serious about the collaboration. 

Edited June 24 by Dewey Mack
Spelling