Replacing 908 plastic recoil system

zellerSC · Sep 1, 2011

Anyone feel there's an advantage with replacing the plastic with a metal one?

I can see wt. being a disadvantage, but unless one shoots lots o' rds. of hot 9MM.....not sure I see an advantage over the plastic rod.

Just thinkin out loud as I recently received the metal rod and it surely is heavier than the plastic.

OKFC05 · Sep 2, 2011

Not familiar with the 908, but in general I don't like aftermarket metal recoil rods that force a change from flat-wound springs to piano wire.
The piano wire is the highest failure item, so that makes the aftermaret assembly LESS reliable than stock.
If you already use the piano wire springs, I see no reason not to use the metal rod. Suggest you keep a spare spring on hand and replace the original when it shortens 3/8" or so, or if you have problems.

What I really like is the factory stock setup for the M&Ps now that has a steel rod with a bolt on the end to facilitate changing springs, and a flat wound spring. To me, that's as good as it gets, and Brownells has the different weights of flat wound ISMI springs specifically for the M&P factory rods so you can adjust for any ammo.

For the Sigmas, which have the polymer recoil rods with flat wound springs, I prefer keeping the flat wound springs, even if that means keeping the polymer rods. By the way, from several different Sigmas used for loaners and trainers, I've never had a recoil spring assembly fail in service. I keep spares on hand just in case.

18DAI · Sep 2, 2011

Well.....advantage to replacing it? Maybe. Not much though really, IMO.

I replaced the plastic recoil spring guide rod in a 910. This 910 had ALOT of rounds through it. I used it to train new shooters.

I had read......on here IIRC, that replacing the plastic guide rod with the metal guide rod from a 5906 would "...tighten up the pistols groups..".

Maybe it did.......a little. Anyways, within about 3000 rounds of changing out the guide rod, I had a crack in the frame. Coincidence? Maybe. But I always felt I should have left well enough alone. Good luck with your decision! Hope this helps. Regards 18DAI.

zellerSC · Sep 2, 2011

The plastic one is fine as I doubt the pistol has more than 500 rds down the tube.

I just wanted the metal one and it came with a spring.....just in case the plastic ever "broke."

Thanks.

Replacing 908 plastic recoil system

zellerSC

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OKFC05

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18DAI

Absent Comrade

zellerSC

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