BigJoe Rooo Member Joined Oct 25, 2014 Messages 21 Reaction score 9 Dec 23, 2014 #1 Does the 18 1/2" improved cylinder barrel fit the older model 870's?
jlrhiner US Veteran Joined Oct 13, 2005 Messages 4,819 Reaction score 6,596 Location Arnold, Missouri Dec 23, 2014 #2 If it's an 870, it should fit. Finnish might be different, but mechanics should be the same.
F forrestinmathews Member Joined Dec 5, 2009 Messages 1,063 Reaction score 725 Dec 23, 2014 #3 So far as I know. The catch is you have to remember that 3" shells will not eject through a 2.75" port.
So far as I know. The catch is you have to remember that 3" shells will not eject through a 2.75" port.
X xb40 Member Joined Jul 10, 2006 Messages 170 Reaction score 58 Location Alabama Dec 23, 2014 #4 The barrel for the older 870s should have the ball detent on the ring under the barrel. Newer barrels do not have a detent and will not work.
The barrel for the older 870s should have the ball detent on the ring under the barrel. Newer barrels do not have a detent and will not work.
A alwslate Gold Supporter Joined Dec 24, 2009 Messages 7,388 Reaction score 8,666 Location Indiana Dec 24, 2014 #5 With the newer type barrels that do not have a spring loaded ball in the ring for the retaining cap that screws on the magazine tube you can probable use your old cap with an O ring between the cap and the ring.
With the newer type barrels that do not have a spring loaded ball in the ring for the retaining cap that screws on the magazine tube you can probable use your old cap with an O ring between the cap and the ring.
SW CQB 45 Member Joined Feb 25, 2002 Messages 3,364 Reaction score 1,057 Location Victoria, Texas Dec 24, 2014 #6 Brownells sells a wave ring which keeps the cap from backing out on ball-less barrels.