870 Express barrel swap

[magnanimous_j]

So I've got a bone stock, blued 12 gauge 870 Express pump that I use for birds and clays and whatnot. It came with the 28" barrel. I was out at the bar with a buddy who had a 18.5" barrel for an 870 that he never used and gave it to me for picking up the bar tab.

My question is: Is there any reason I shouldn't swap them back and forth? Do shotgun barrels "burn in" like other mechanical components?

[300rum]

Very easily replaced, no problem at all. 

[Bob33]

Unscrew the knurled knob counterclockwise. Pull barrel off. Insert new barrel.  Screw knob clockwise until tight.

[Bofire]

there are standard 870 barrels and light contour barrels, I do not 'think' they interchange.
Carl

[300rum]

I put a standard 18.5" barrel on my light contour 870, no problems.

there are standard 870 barrels and light contour barrels, I do not 'think' they interchange.
Carl

[magnanimous_j]

there are standard 870 barrels and light contour barrels, I do not 'think' they interchange.
Carl

The new barrel fits just fine. I was just wondering if there is any disadvantage to swapping back and forth that I haven’t considered. For example, if the receiver or whatever gets broken in with one barrel, if it won’t run as well with another one, especially if I switch back to the original one regularly.

[BigGoonTuna]

shouldn't be a problem.

the only interchange issue with the 870 is that "special field" barrels won't work with standard receivers(the barrel lug is in a different spot) and 20 gauge lightweight barrels won't interchange with standard 20 gauge receivers(the old ones that were built on 12ga frames).

[Bofire]

  as far as I know no problem with receivers, BUT, I do KNOW all 870 barrels of the same gauge are not interchangable, I do not know if it is standard, light contour, express or SPS. Also putting a 3 inch, or 3.5 inch, barrel on a 2.75 inch receiver does not make a 3 inch gun.
CarlRemington® 870 Replacement Shotgun Barrels


"Model 870 Barrels with 3" chambers will fit both magnum and 2-3/4" receivers and will handle both 2-3/4" and 3" shells with a magnum receiver. (An M at the end of the serial number = magnum receiver.) Use only 2-3/4" shells when barrels are used on 2-3/4" receivers. 870 Special Field barrels and other model 870 barrels are not interchangeable. The 20-ga. lightweight barrels will not fit 20-ga. standard guns. Light contour barrels for the 870 Wingmaster have a weight reduction of more than a 1/2 lb. to improve balance, portability and handling without sacrificing strength or durability. The Model 870 Super Slug with Scope is 23" long with a 3" chamber capable of handling 2-3/4" or 3" sabot slugs. Mounted and boresighted 2-7x32 scope. Fits 870 Wingmaster, Special Purpose and Express models. Text Size: AAA
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from Cabelas...

[Bob33]

http://remington.custhelp.com/app/answers/detail/a_id/98/related/1