Choate Tool Modular Tactical StockNa. The length of pull is adjustable from 12 1/2 to 13 1/2 inches with the two 1/2 inch spacers that come with the stock. You can get additional spacer to give a max length of pull of 14 1/4 inches. We also offer a very soft LimbSaver recoil pad for this stock as an upgrade. Specifications for Choate Tool Modular Tactical Stock: Manufacturer: Choate Tool Color: Black Gun Model: AR-15 Gun Type: Rifle Country of Origin: USA Features of Choate Tool Modular Tactical Stock Modular Tactical Stock Package Contents: Choate Tool Modular Tactical Stock What firearm models does the manufacturer say Choate Tool Modular Tactical Stock is compatible with? The manufacturer suggests that Choate Tool Modular Tactical Stock is compatible with AR-15Choate Tool CMT-27-01-07: Modular Tactical StockNa