remington rolling block ID

[contender44]

I have a remington rolling block with a 28" (chamber included) tapered octagonal barrel and cresent steel buttplate. The only marking are REMINGTON ARMS CO. ILION.N.Y.U.S.A. on the top of the barrel 38W on the bottom of the barrel a sideways P proofmark about 1/2" away from the 38W and the serial no. H42XX on the lower grip tang. Any help with The ID is appreciated

contender

 

[fal308]

Do you have any photos of the rifle and the receiver? If so, please post. That would help.