Ensure reliable muzzle device retention on your stamped receiver AK-74 with this precision-engineered plunger pin and spring set. Designed specifically for AK-74 type front sight blocks, this OEM Arsenal component delivers consistent performance and prevents unwanted rotation of muzzle devices during operation. Key Features Complete set includes the 11.5 mm plunger pin (AK-244B), 11 mm plunger spring (AK-245), and retainer pin for secure installation in standard triangular AK-74 FSBs. Manufactured to exact Arsenal specifications for stamped receiver AK-47 and AK-74 platforms in any caliber. Provides positive detent engagement with muzzle devices to maintain alignment and prevent loosening under recoil. Compact, lightweight design (0.02 lbs) ideal for custom builds and replacement repairs.