has anyone done a gas piston on the 15t? which system? did it require some trimming?

I am curious as to why you're interested in a g/p? I've read views favoring both the direct impingment and gas piston systems.

Hope you get a speedy response.

Hobie

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Laissez les bons temps roulez!

I just don't like doing a detailed cleaning after every time I shoot.... I would much rather do a quick wipe down....

I'm just curious what system will clear the 10" rails

It's this rifle if that helps

Product: Model M&P15T - 5.56 mm, Tactical

How many rounds and what ammo are you shooting per session?

Hobie

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Laissez les bons temps roulez!

i use either lake city m855 mostly.... i have shot bvac reloads before and it depends on what im doing minimum i shoot 210 rds (my basic load) i have shot about 1000k over a 2 day course..... and i shoot every other weekend (more if i can)
i have been in the army for 9 years and i have it burnt in my brain to clean my weapon after everytime im done shooting for the day and i will continue to do so.... but i would love to have a cooler cleaner running weapon thats not filthy when im done

Okay! Thanks for the response as it helps me understand more about your situation. I'm learning new things all the time and I learned something today. Hope you find the platform that suits your needs.

Hobie

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Laissez les bons temps roulez!

https://www.gaspiston.com/cgi-bin/co...i?display=home

the link above is the system that I am looking at, also for extra money you can get it nickel/boron plated for even less maintenance through a company called Zero Fail

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Grover Oathkeeper

Really there is no reason for Army "white glove" clean except in officers' minds who live for inspections. I wouldn't put a piston on a DI gun that's working well and I wouldn't worry about a little grunge. Have you ever seen the reports on the BCM midlength AR nicknamed "Filthy 14"? Run it dirty and just keep adding lube. Overcleaning causes more wear and tear than normal shooting.

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US Army 1966-69, VFW Member

Check out the piston ar subsection over at AR15.com, you should get most of your questions answered there.

Just dont mention that you have a S&W LOL

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Grover Oathkeeper

that is the gas piston system i was looking at and i do agree that there doesnt have to be a "white glove" inspection but i believe a clean weaping will always work better than a dirty weapon.... i was thinking about ditching he gas piston idea and trying out "froglube" i have heard really good things about it.

and why shouldnt i tell them i have an S&W on ar15.com?

i have shot hk, barrett, lwrc, colt and S&W i believe are just as good but a lot more budget friendly

most of the links i found were bad but i found a couple good ones..........one saying it has over 40k rds
im assuming this is without being cleaned?

Would VERY much like to know if a piston kit could be used with that rail also !!!!!!!!!!!!!!!!!!!!!!!!!!!!!

<<<<BUMP>>>>

Bumpity Bump

This.

I run my AR15's wet and I run them pretty hard. I don't run any corrosive ammunition, just US military surplus ammo or bulk Federal 55gr .223. Aside from a quick swab through the barrel before they go back in the safe I don't bother cleaning them until I've run at least 500 rounds through each one, usually more than 500rds before I clean. Why? Why not? My carbine (a less than entirely stock M&P15T manufactured about 1 year after S&W moved full production in-house) has more than 5,000 rounds through it to date without a single malfunction of any kind. My precision AR15 build had 2 malfunction within the first 50 rounds (since chalked up to break-in) and has run flawlessly for the 2,000 or so rounds I've since put through it.

There's a lot of erroneous information floating around about AR's from internet forums, local gun range 'experts', and from sales folks in a great many gun stores throughout the US. The AR15 was designed to operate using direct gas impingement and it does so very reliably when run as it was designed to. Retro-fitting a piston system into an AR won't guarantee anything more than extra weight out front.

Your mileage may vary of course.

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M&P15T M&P9 M&P9c SW1911 4506

Oddly enough I've emailed S&W twice on the matter at different times and no response. Can't even get the specs on the rail from them in general.

i actually called them and got no answer....somehow they dont know. looking at it i know there is going to be some trimming of the rail and possibly some cut outs. at this point i dont think its worth the effort. i want an sbr so i will just buy a piston sbr upper

They seem to look down their noses at the "cheap" S&W knockoffs LOL

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Grover Oathkeeper