A Comparison of 870 barrels...

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Dave McCracken

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Remington's recent Quality Control, or lack of same, has often been decried here, including by Yr Humble Scrivener. Non concentric barrels, similar choke tubes, mismarked choke tubes and heavier trigger pulls are the main sources of dis-satisfaction.

So, I recently got an early Birfday present, after I told my wondeful family what they were getting me.

It's a brand new, 30" Remchoked Light Contour barrel for an 870, of course.

I wanted a Remchoked barrel so I could swap chokes for Skeet, 5 stand and for hunting.

And I wanted a long barrel so I could use it to best advantage at trap. Also, my hunting buds have put up with Frankenstein's bunty and loud barrel too long. While a 21" barrel does work for snow geese, its blast with goose loads are a bit loud for a shared blind.

So, I picked up the barrel from Guns R Us a few weeks ago, swapped an extra tube for a Skeet choke, and have done a bit of loud research.

Going on a hunch,it was mounted on my 870 TB and shot 4 rounds of Skeet with it and the same of trap before patterning, though I counsel others to pattern first.

Why? Because I wanted see how it did when I didn't know where it was hitting.

My skeet scores, though still horrid, rose. Obviously, the Extra Full choke on my TB barrel was a severe handicap for a new skeet shooter.

My trap scores dropped a bit.

The patterning board told the story. POI was dead on at 20 yards with the skeet tube for windage, elevation was a hair over POA.

Using the Full tube and trap loads at 35 yards showed impacts higher than my trap barrel and a bit left. Not as far left as the TB's regular barrel, that's about 10" left, this is more like 5". That old barrel has shot low and left since Day One. I had the thing bent to raise the impact but it had gradually straightened it itself out over the last 10K rounds or so. With 20-30 straights at trap in the interim, I left it alone.

As there's two more 30" 870 barrels here, maybe some numbers are in order.

The new barrel has an ID of .7285". That's very close to the .729" bore considered to be a true 12 gauge. It weighs 2lbs,2 oz. The IC tube I had measured.720", nigh perfect constriction in this barrel for a true IC choke. That would be 10 POC, this is 8.5.

The barrel that came with the TB measures .733", a mild overbore. Choke's 38 POC. This may not be the original barrel, but IMO it's contemporary to the TB, made in 1978. It weighs 2 lbs,6 oz.

The barrel on #6, made in 1955, weighs 2 lbs, 4 oz and is ribless and Full choke.That works out to a .725" bore, .685" choke for 40 POC.

IOW, the new LC barrel weighs 4 oz less than the Trap barrel, and 2 oz less than the ribless field model.

I noted during the Skeet session that the TB was quicker than before. During the trap session, I was missing over some birds, a combo of the lighter front end and the higher POI. Use will fix that.

Also, I've scrutinized this new barrel for bad workmanship and shortcuts. Didn't find any. Finish seems as deep and glossy as with the other two barrels, no machine marks, good polish. Mounted on either #6 or the TB, it looks like it came that way from Ilion.

Minor gripe, the engraved markings on the barrel are lightly done and hard for me to read. Otherwise, the barrel's up to high standards.

Oh yes, while patterning I dropped in a skeet load and used the full choke to unload one into the patterning board at 20 yards. Max spread was about 14", usable spread around 10".

Of course, this could be the only good barrel made that day. But, it still holds up to old standards....
 
Thanks for Report Dave.

Seems like everyone gets bad press from time to time. Granted QC and craftsmanship not quite the standard that once was the norm, since the other "Q"- quanity -arrived on the scene. Boys in green have their share of Fri party plans and Mon hangovers I'm sure, but not the only company, and not limited to firearms either. Granted some things are serious and need correcting, better mfg's will...others don't and fade away. An hours wage won't buy what once did, doesn't take long for a wage earner's voice to cry out.

30" bbl , an inch for each year old huh? <wink> , I believe your skeet scores gonna pick up, I know gonna be fun to see.

Now about that blind and 30" bbl...Dave, Dave, Dave, I buy you books and send you to school...short bbls with Cutts is what you want. Blinds are less crowded, and you hit more birds. You see your buds, are either cringing, or missing or both...hard to shoot when both hands covering ears. :D

See the archives, Tacky Etiquette 101 :D
 
Dave, make sure your new chokes are round . I have a few that are not and the patterns reflect it.

I also have some Rem-Chokes that I do not use, I know there is at least a full and a mod. Holler if you could use them.
 
Thanks, guys.

73, I refuse to take that advantage. And, this may I may get invited back more often. We must consider ALL the angles.

H, since the Skeet choke centers nicely, I suspect the Full may be off a tad. I'll PM you in the AM, would like to try another Full, if you don't mind. Thanks for your kind offer.

When Frankenstein's barrel was set up with a set of Colonial and Hastings tubes, one patterned off. A swap and the whole set runs close to 60/40 and centered with the old stock.
 
I found what appears to be a new Full for you Dave, round as round gets and 39 thou of constriction. It is packed and ready for a ride to your place.
 
Dave,
just kidding ya ;)
Got my ethics and principles too...just brought up that way. Still don't mean I didn't think about chucking a fella out of a blind once for using that said cutts and short bbl next to me :)
 
Dave I appreciate your comments regarding the quality of what was available and what is still available.

I am a total newby shotgun owner and have enjoyed learning from reading your many knowledgeable posts on shotguns.

My first, acquired three weeks ago, is a 1975 model 870 police turn in that was originally sold with the police 18 inch barrel. It has seen a lot of carry but not a tremendous amount of shooting from what I can tell.

But its a cylinder bore 12 guage barrel. It actually works fine out to 25 yards but much beyond that and a number six shot (all I've tried so far)spreads rapidly. You mentioned that short barrels are too noisy for shooting with friends from a blind. I had no idea there was a difference, interesting point.

So, in the mail to me is a short 18 1/2 inch ribbed barrel with a bead with a rem choke in it. I don't know which choke it is, but since it is a rem choke, getting another should not be an issue. Any choke should improve on my current open cylinder and I am looking forward to more patterning to get it dialed in with the right choke and load.

My primary use is in the woods in the Rockies but I do have opportunities to reach out a bit and I am going to experiment until I can get a good crow load that will carry 40 plus yards in a usable pattern.
 
Colt man, when you start working on a good crow load holler. I have done a good bit of work on crow loads.
 
Mr Smith,

Thanks I will take you up on that offer. My new barrel should arrive in the coming week and next weekend I am going to commence experimentation.

Any combo info you have would be greatly appreciated.
 
Coltdriver, I shall be very surprised if that is a Remchoke. All the smiths I know say the barrel metal and dimensions are such that the Remchokes will not work.

Also, I've never seen a ribbed barrel from the factory shorter than the 21" turkey one.

Chances are, this uses the older Truchoke system, with a thread of .795" x 44 TPI. Not interchangeable with Remchokes.

Colonial and Hastings make tubes for that.

Briley also makes a Thinwall setup, it could be this too.

Your police turnin was probably carired much more than shot. Most are rough outside, near new inside.

And, a short barrel really isn't much handicap until you get into the heavy loads. For crows, I like 1 1/8 oz of 7 1/2s if shots are close, same of 6s in not. Tight chokes are my choice, at least Modified....

HTH...
 
I will be pleasantly surprised if it is a remchoke too.

Last week I spoke with a fellow who had 10 18 to 20 inch 870 barrels.

He measured them and said three had enough metal in the walls and the total od to take rem chokes, three had enough for another type and three had enough for tru choke thinwalls only.

So it will be interesting to see. In any case I have a choked barrel coming this way.

My police issue barrel only had enough material for tru chokes and between cutting it and buying a choke I was able to pick up this probably shortened ribbed barrel.

I can't wait. In the meantime I picked up a box of 1 1/4 oz number four shot and I am off this afternoon to see how they pattern from the open cylinder.
 
Colt man, do you handload shotshells or are you using factory loads only?
 
I am just buying factory loads.

No equipment to load shells with yet, although I am gonna save my empties and someday.....
 
This is about the right time of year for you then, the turkey loads will be on clearance sales soon if they are not now. They are buffered and have good hard shot. #5 shot is a great compromise between pattern density and energy for long range penetration. Federal and Winchester load some really good 1 3/8oz high velocity 3" turkey loads that will rake a crow out of the sky at 65 yards with a full choke and #5 shot.

Federal also loads a Pheasants Forever game load that is a great load, 1 1/4oz and smoking fast, and costs less than $10 for a box of 25.

As far as I am concerned Remington makes garbage shotshells, their premium loads are only marginally better than competitors midline loads.......
 
This particular 870 is only chambered for 2 3/4 inch shells.

My first box of 25 is federal number six shot. I tried some remington number four today.

At 40 yards only about 5 bb's went through a soda pop can. At 25 yards about 7 or 8 went through.

I definitely need a choke!

Any idea what is entailed in changing the receiver to accept 3 inch shells??

What would you say is the most reliable shot pattern and distance one could expect from a 2 3/4 inch shell and still have good dispatch on a crow??
 
Colt, some smiths can do the conversion to 3". It's not cheap, not much less than a good used 870. IMO, if you "Need" a 3" capability, better to pick up another 870 so made.

Frankenstein,my overpublicized parts 870,has been worked over to 3" by a smith friend.

Used to take crows regularly with 1 1/8 oz of 7 12s and a Full choke to 45 yards. My old Pheasant whacker, 1 1/4 oz of 6s, worked better in the same choke.

These days, with better ammo, I'd go to a Modified choke and expect the same patterns or better than I got back then. Or stay with a Full and go to 50 yards.

BTW, 5 pellets in a crow's vitals at 40 yards is effective.
 
Dave I like the way you think, ie picking up another 870 to get 3 inch capability versus modifying my police turn in.

My barrel arrived today. It looks to me like an express barrel cut down to 18 1/2 inches.

I pulled the choke out of it. It says remington on the side of the choke and below that it has this".:MOD" The muzzel end of the choke measures 71 hundreds.

Is there a way to id the choke as a rem choke??? Do you know of a cheap source for more chokes?
 
Sounds like a Remchoke to me. .710 is about on for Remington's idea of Modified.

Cabela's has "Factory Style" choke tubes for diverse makers, including Remington, starting at $13.99. Occasionally Bass Pro runs a clearance for less.

IMO, one more open choke like Skeet or IC is needed, and one tighter. A Full would be nice, with a Turkey Full later if needed...

Also, I did some patterning at PGC last night before my skeet session. Using the new Full supplied by HSmith and verified as round and .690", it shot my pet trap load centered and about 70-30. So,the barrel IS straight and shoots to POA.

BTW, I mounted the old TB barrel on Frankenstein and shot 3 patterns. All were centered and roughly 60-40. They were also notedly tighter than those from the TB with Remchoked barrel. The Full Choke tube gives 1 POC more. Go figure...
 
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Close to perfect, H, and many thanks. Your generosity's exemplary.

As for the patterns, those made by the new barrel and choke had a few flyers but the main patterns ran about the same as with the old barrel. I'm not stressing out about 10-15 flyers from an oz of 7 1/2s.

The old barrel had good centering mounted on Frank. I may shoot a few rounds of trap with it vs the TB and compare scores.

Also, at some point I'll make up some trap loads in oce fired cases, shoot three patterns from the new barrel and laboriously count all those pesky little holes. Then, I'll send the barrel off and have the cone done. When it returns, I'll shoot three more patterns using the same load, made on the same day and count all those holes. Then of course,I'll compare and we'll have some evidence of just what good a cone job does for patterns...
 
I patterned my new 18.5 inch barrel with a turkey choke in it today.

If I remember correctly the turkey choke is .660"

With Winchester High brass in number 6 shot and a 1.25 oz load it reaches out to 60 yards easily.

I tried some lead remington number four shot but could not get even close to the pattern of the high brass.

Very interesting.

Now if I can just find an obliging crow:D
 
Colt, one could take another barrel of seemingly identical dimensions and get reverse results. Shotgunning touches on the arcane sometimes. Glad you found your choke/load combo.

I've a .675" Turkey Funnel here, I may try it out with 7 1/2s to see just how tight I can get it....
 
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