Sorry to ask this, but was hoping someone with more knowledge could help me understand this better or atleast fortify what im thinking is true. Ive read alot these past few days and found a friggin barrel for 258 ish shipped. Bnib from remington, but i purchased the last 1 from AIP tactical. There was 2 barrels at the beginning of this week and i was stupid enough not to send my questions asking this. But i jumped on the last 1. Pricey but he had other "unicorn " spare parts that are known to wear/rust/ break that i wanted to order. So it was a semi-impulse buy.
Please note: i will write 2.75 instead of 2 3/4 inch cause it seems easier with the decimal. Also it doesnt look like 23/4 lol.
First off my shotgun info.
Rem 870 express.
Lightweight frame.
"CC" serial number prefix.
20ga.
OEM barrel is marked 2.75 and 3 inch chamber.
Barrel i purchased: 20ga
2.75 inch chamber
26 inch vent rib
With mod choke (imma safely assume its a rem choke)
So i know remington thenlmselves did away with the "magnum" receivers back in 80s or so. Meaning the suffix "M" in 12 gauge and "U" or "N" in 20ga. And apparently all express models came with the "magnum" receivers since then. And in a notation on AIP tactical's website--they said if my serial number starts with "CC" which it does, then this barrel will fit my lightweight receiver. (Im good here, just wanted to share some background info)
I wanted to maybe ream the chamber to 3 inch (of course ill be asking wayne at pacific gun works for this job), is that all i need to do to be able to shoot 3 inch shells? Like, i dont have to change the ejector since my factory barrel already says im able to shoot 3 inch. I know 2.75 frame sizes have a smaller ejection port, so 3 inch shells will fail to eject properly (read that was a problem for people). Also someone on a forum mentioned that the extractor cut out needs to be made longer, no one commented on that but i would assume it wouldnt cause the barrel can only go so far back and literally stops. Also since shotguns (like most, if not all straightwall rimmed cartidges) headspace on the rim of the cartridge, id see no point or am i missing something there? I guess european ammo is tighter than american made ammo or so ive read.
Has anyone asked wayne to rechamber a shotgun barrel? I also know shotty barrels are thin as fuck so would it be a safety issue? Idk like, are 2.75 / 3 inch barrels made thicker at the chamber from the factory? Or 2.75 / 3 inch and 2.75 jnch only barrls made with the same wall thickness at the factory. That was kinda of a big talk on 1 forum and they guy who started the thread didnt post a follow up on how things went. Dont even know if he did it. But it was an old thread like ~2013.
Thanks in advance if anyone is able to chime in. If not, its ok.
One last question, if i cerakote this barrel, should i leave the choke in it when i send it out or not? Will they cerakore the part that actually go into the receiver? I could imagine a very tight fit if they do.
Thanks again