No, the Remington Model 1100 stock has a hole (recepticle) through the inside of the stock in the pistol grip area to accept the action spring tube. The Remington Model 870 stock has no need for this hole so the 870 stock will not fit on the Model 1100 action.
No, Winchester 1400
Yes, The receiver pins are the same as the Remington 870, so any stock that will fit the 870 will fit the 7400
NO
No, the re4ar receiver face on the Model 11 Remington has a different configuration. The Remington Model 11 is a semi-auto with a tube containing a bolt return spring located at the rear of the receiver. The Model 11 stock has a receptacle to accept this tube, the Model 870, being a pump action, does not have this receptacle.
no
12gauge magazine cap fit on a 2ogauge 870 mag cap
No. The 11-87 has a recoil spring & tube in the stock, the 870 uses a single bolt.
Sorry, no answer from me, but I would like to know the answer to this question as well.
no but it will fit a mossburg 500
Yes it is a direct fit.
No there are ways, it invalves drilling holes to vent gas witch operates the gun.