EBR ADJUSTABLE BUTTSTOCK EXTENSION KIT MODEL: M14VABEK/PMRI The M14VABEK/PMRI is a buttstock extension kit that is specifically designed for use on PMRI style M1/M14 & M1 GARAND SAGE EBR Chassis Stock Systems. Provides veritcal adjustment and adds to the length of stock. Includes mounting hardware. Increases length of stock by 1.5" Increased vertical adjustment by 1.5" Machined from billet aircraft grade aluminum Features a spring loaded locking button Mil-Spec hard anodized Made in the U.S.A.