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Sig P250 and 320

945 Views 9 Replies 7 Participants Last post by  edstroyer, 
T
Hello, I have had several Sig's but never a P250 in 9mm full size Gen II. Can anyone tell me if the Sig 320 recoil spring and rod are compatible with the 250? Has anyone ever been able to put a red dot on a 250?
Thanks.
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USMC Ret
I only have experience with one piece guide rods between the two. The P320 guide rod is too long; I suppose if one is inclined..... As for red dots on a P250, unless you mill the slide, it will work only with a bridge.
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T
USMC Ret said:
I only have experience with one piece guide rods between the two. The P320 guide rod is too long; I suppose if one is inclined..... As for red dots on a P250, unless you mill the slide, it will work only with a bridge.
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Thanks for reply.
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moose83
No, the recoil springs and rods are different between P320s and P250s. As for red dots, the rear sight assembly on the P250 is a strange custom cut. Much more material taken out than a dovetail. I asked two places that milled my other P-series and they both said they don't touch 250s. In addition, my P250 (compact) slide has a big hollow channel on the underside, and those type of cuts generally mean you can't mill down much from the top. You'd either punch right through the slide, or have no place to make the screw holes.
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T
Thanks for the reply. I think I will sell it.
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OKNewshawk
moose83 said:
No, the recoil springs and rods are different between P320s and P250s. As for red dots, the rear sight assembly on the P250 is a strange custom cut. Much more material taken out than a dovetail. I asked two places that milled my other P-series and they both said they don't touch 250s. In addition, my P250 (compact) slide has a big hollow channel on the underside, and those type of cuts generally mean you can't mill down much from the top. You'd either punch right through the slide, or have no place to make the screw holes.
Click to expand...
This got me thinking--or maybe just fantasizing. Wouldn't it be nice if someone made an aftermarket P250 slide with a slide cut and a dovetail for P320 sights? It would probably be insanely expensive, but to have a pistol with the advantages of a P320 but the P250's DA trigger... Well, one can dream.
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O
There are plenty of aftermarket slide manufacturers now - but with the 250 our of production, it would be a custom approach, so agree that it would be pricey, because of very shallow market depth. But it'd be a nice thing to have!
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moose83
What if we dream about modding the rear sight insert rather than creating a whole slide?

a) is the top thick enough to shave the sights down and cut a dovetail?
b) if it's not thick enough, mill a whole new piece with more material up top that would accommodate a dovetail.

CDNN has these for $3 each, for any enterprising machinists out there....
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spyke-52
Not mine. This is the only P250 I’ve seen with a red dot. There may be others, but this is the only one I found doing a search. They did a really good job. In addition to the optic cut, they also relocated the rear sight, modified the hammer and added front cocking serrations. Looks pretty good. I’m tempted to do it on my stainless slide.
Air gun Trigger Gun barrel Gun accessory Wood

Here’s a link to their instagram page. http://instagr.am/p/CMkavFHLbmg/
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E
2
Barrels are interchangeable between the 320/250. Don’t sell it it. I recommend the Armory Craft trigger for your P250. It’s day and nights. The trigger feels lighter, smoother and you’ll notice it on you grouping.
Automotive design Hood Grey Car Automotive exterior

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