Choate Tool Remington 870 Lightweight 20 Gauge Conventional Stock 20 Gauge. These stocks have our innovative spacer system and come with two spacers included which adjusts the length of pull from 13? to 13 3/4?. You can lengthen your stock by simply adding new spacers and longer screws. Our stocks are made of the finest materials available and carry our lifetime warranty. Some of the early 20ga Remington 870 shotguns were made on the 12ga frame so parts for the lightweight 20ga 870 will not fit. To determine if you gun is built on the 12ga frame remove your magazine cap and see if a 12ga shell will fit into your magazine tube. If the rim of the 12ga shell will not fit then your 870 is built on the lightweight frame if it does fit your 870 is built on the 12ga frame. If your shotgun is built on the 12ga receiver then you will need parts for the 12ga 870. Weight- 1 lb. 5oz Specifications for Choate Tool Remington 870 Lightweight Conventional Stock: Manufacturer: Choate Tool Gun Model: Remington Model 870 Gun Type: Shotgun Stock/Brace Material: Glass Reinforced Polymer Color: Black Gun Make: Remington Quantity: 1 Length: 13 1/2 in Fabric/Material: Glass-filled Polymer Country of Origin: USA Features of Choate Tool Remington 870 Lightweight Conventional Stock Durable fiberglass filled polymer 1" rubber recoil pad quick detach sling swivels Package Contents: Choate Tool Remington 870 Lightweight Conventional Stock What firearm models does the manufacturer say Choate Tool Remington 870 Lightweight Conventional Stock is compatible with? The manufacturer says that Choate Tool Remington 870 Lightweight Conventional Stock is compatible with Remington Model 870Choate Tool CMT-01-01-48: Remington 870 Lightweight 20 Gauge Conventional Stock 20 Gauge