Interesting.The Glock was a contender when the same Army picked the Berretta to replace the 1911.Apparently they rejected the Glock then.
I'm not commenting on the Glock or the Berretta,BTW.
tahuana:
I've watched several "torture tests" where the M&P completely failed. it has extremely loose tolerances which are the main reason I'm selling mine.
Are there links to these "several tests"? I'd like to learn.
I'd also like to know more about "loose tolerances". What does that mean?
I have spent 30 years as an R+D machinist,Served as a"Quality Assurance Co-coordinator",where I managed non compliant parts an material,and documented what was wrong with them,notified suppliers,etc.I know my way around reading a drawing and Geometric Dimensioning and Tolerancing.
I have an idea what the term "loose tolerancing" might mean,but I would like for you to give me an idea why you say that.
I do not have a set of design drawings to study the tolerances of an M+P,and I have not taken my sample of one pistol apart and done a dimensional study of the parts.That,BTW,would tell me nothing about the tolerances.
A drawing might show only .002 between min and max material condition for a part that was designed to assemble with .030 nominal clearance.
Now,please tell me,if you are building airplanes: Suppose you are designing a component to bolt to a bulkhead with 4 ea 1/4 -28 screws. This is a Quality airplane!! Generally,would you expect the hole to be dimensioned .281 at Min Material Condition,or at .257 +/- .003 ? "Quality" would be the tighter tolerance,yes? Or NO?A 1/4 in bolt will go through a .254 hole easy,right? .A .281 hole....that rattles! Right? Loose Tolerances!!!
There is a lot to tolerancing. Cost IS a component of Quality. If you meet PERFORMANCE parameters at lower COST,you have produced higher Quality.
Hint,with our aircraft part,one bolt goes through a .254 hole real easy.But you have 4 screws!(8 holes,4 clearance,4 tapped) So now positional tolerance requirements get very tight! Holes off location (worst case) by .0015 for the tapped and clearance holes make a part the mechanic cannot put the screws through!! Holding .001 position is costly.Why do it? Use .281 clearance holes! Parts are lighter!
And some assemblies perform better (define "better")with higher clearance.
You can fit a 1911 bushing to .0005 clearance and it will slip fit.What happens as the barrel tilts into lockup/link down?
How about five inches goes into 1000 inches 200 times.So,at about 25 yds .001 bushing clearance is about .200,or 1/5 in. WOW! So,if I go LOOSE TOLERANCES of (Holy Mole) .005 sloppy thousandths on a production bushing,it matters 1 in at 25 yds. Production parts,fit any barrel. Clearance .001,hand fit the "tilt" in.Each part requires bench time.Adds $30 +or-to the gun.