Yankee Hill Machine Forearm Endcap For Barrels With ID 0.925 Inches. 925 Inches. A perfect touch to complete your modification this Endcap from Yankee Hill Machine allows air to flow between the barrel and handguard to keep hot ends cool and the barrel's heat from accumulating inside the handguard. The decorative and functional Yankee Hill Machine Forearm Endcap For Barrels with ID 0.925 Inches fits all YHM forearms with an ID of 0.925in and up. For a unique way to accent your firearm make sure you choose the Yankee Hill Machine Forearm Endcap For Barrels with ID 0.925in. Specifications for Yankee Hill Machine Forearm Endcap For Barrels With ID 0.925 Inches YHM-9484A: Mfg Item Num: YHM-9484A Type: ACCESSORIES - GUN ACCESSORIES - GUN PARTS made in specialized factories: made in specialized factories Tactica: Tactical Model Header: All Other Barrels Master Model Header: Forearm Endcap The Yankee Hill Machine Forearm Endcap For Barrels With ID 0.925 Inches YHM-9484A is a quality addition to the Yankee Hill Machine lineup. For more great deals on AR Handguards & Forends by Yankee Hill Machine please browse our Yankee Hill Machine Gun Parts page.