10 steps to upgrade your Remington 870 express to police version

[Zulu10]

And when did they start marking the Police barrels? Not doubting you. Just curious.

Got me curious. I just checked my own Parkerized 870P and the barrel is not marked “police”. I spent 30+ years shooting police 870’s before I retired and I don’t recall seeing any on our force shotguns either. Not saying that Remington never did this but I have never seen it and I worked at a large agency with over 6000 sworn officers and hundreds of shotguns in inventory. At one time my Force did stamp its name into the frames of certain firearms but that would have been the only police reference.

 

[SJAR]

I checked my 14" police barrel after this thread and noticed a "p" stamped on the reciever extension but maybe that is a proof mark or parkerizing mark. My 70s wingmaster barrel does not have this "p"

 

[Tom E Gun]

Maybe look at two from the same generation?

And when did they start marking the Police barrels? Not doubting you. Just curious.

My mistake...I could have sworn that the Police barrels had a"P" on the mag tube ring, but I just took both my police barrels and studied them with a magnifying glass and there are no visible P markings.

 

[Tom E Gun]

I checked my 14" police barrel after this thread and noticed a "p" stamped on the reciever extension but maybe that is a proof mark or parkerizing mark. My 70s wingmaster barrel does not have this "p"

My police barrels are both marked REP where yours is marked P. I suppose that could stand for REmington Police, but maybe it is just a proof mark as you suggest.
The original WM barrel (20" with rifle sights) has no marking in this location.
My Marine Magnum barrel (14" bead sight) has a P in the same location.

 

[Brutus]

Quoted for truth. Me, I just wanted a more reliable extractor. The one I had was god-awful, esp once a shell had been ejected even once.

M37 Ithaca has two extractors
In 1974ish they redesigned it briefly to only one extractor. Was an unmitigated disaster so they went back to old specification of two extractors.
At the same time tried to change one or both shell stops merely to reduce machining processes.
It didn't go well either. Shooters with live rounds dumped out of magazines.
Financial and public relations disaster.

Apparently these modified receivers became unsalvageable metal scrap.

 

[enefgee]

By the time anyone buys all the police parts, they'd be better off to sell the express and just buy and 870P, FFS...

Or just get ANY older wingmaster without a vent rib, slap on synthetic stocks, chop bbl to 18.5 and call it done. If you MUST have 3" shells, any good gunsmith can modify the ejector in like 30 minutes or less to take 3" shells and pass the reamer through the barrel throat to ensure it will take 3"-ers.

Or buy a Mossberg 590 if you can find one for a fair price. Every bit as good as the 870P.

You could get an early '80's or later WM that's already good for 3 inch shells. They are out there.