Steel Acog / Primary Arms base mount for M1 Garand, M1A, M14 and BM-59

Temporarily out of stock. Expected restock mid-December 2025.  NOTE: This steel base features the micro Acog footprint and is compatible with following optics:  Primary Arms SLx MicroPrism 5X (or 3X, 1X) [recommended] Primary Arms SLx Prism Gen III 5x (or 3x) Trijicon Acog optics We recommend the Primary Arms SLx MicroPrism optics because they are light-weight, ultra-compact and cost effective.  [Firearms and optics are for display only and NOT included] This all-steel base replaces the factory rear sight of your M1 Garand, M1A, M14, or BM-59 rifle and allows for easy mounting of a high-quality magnified optic listed above, maximizing the firearm's potential.  Please note that this mount is designed for optics with micro Acog footprint only. If you are looking for a Picatinny mount for M1A/M14, please choose our full-length M1A scope mount.  Package contents: One steel base Wrenches, bolts and removable threadlocker Installation video: