Modifying the Glock 43x & 48 MOS for Holosun K Optics [2025]
I recently picked up a Glock 43x MOS slide from Sean here at Primer Peak. He’s testing the Aimpoint COA Glock, and had a spare slide to offload. He offered it to me, and I chose to buy. However, I’m not a huge fan of the slimline MOS cut. It’s really just an RMSc optic…









