the lower tube has a removable round nut, remove it slowly a spring will come out, the plug is at the bottom, turn over the shotgun and the plug will fall out. make sure of local game laws if your taking it Into the Woods. every place has laws and limits on the number of rounds a gun can carry
The 870 Remington shotgun used to be a popular candidate for a "release" trigger.
Remove the cap from the end of the tube and be careful of the spring which is under pressure. The plug will come out with the cap.
Remington does not show a 870 rifle on their web site. Do you mean the 870 Shotgun? the Remington 870 is one of the most popular shotguns in the us. this shotgun ranges from $300 for the basic model to $1000 for the fancy Wingmaster edition
The average price of a Remington 870 Express Magnum pump 12 gauge shotgun "brand new" is about 300-450 dollars. I got mine used for $250
The Remington 870 is a type of shotgun which is known as "pump action". The Remington 870 requires the individual to "pump" the shotgun following each pull of the trigger. It is considered to have a slow rate of fire due to the pump action which is required.
Pump action shotgun
They are about 6" long.
Go to Remington's web site and request an owner's manual.
100-1000 depending on specifics
$350
Pretty cheap. About 300 or a little more.
Remington 870 Express Super Magnum.