MUCITUP RMR to Picatinny Adapter 6061-T6 Aluminum 21mm Base Mount Stainless Inse

MUCITUP RMR to Picatinny Adapter 6061-T6 Aluminum 21mm Base Mount Stainless Insert

Got an RMR-footprint optic but running Picatinny? No problem. MUCITUP’s got your fix — simple, solid, and built like everything else we sell: MUCITUP RMR to Low Mount Picatinny Adapter.

This isn’t some flimsy pot-metal plate that rattles loose after a few rounds. Made from 6061-T6 aviation-grade aluminum, this adapter keeps your optic locked in with stainless steel screw inserts for long-term durability. The precision fit gives your RMR footprint optic a solid home on any 21mm Picatinny rail.

Specs:

• Brand: MUCITUP

• Material: 6061-T6 Aviation Aluminum

• Size: 45 x 27.5 x 5.9 mm (1.772" x 1.083" x 0.233")

• Mount Type: 21mm Picatinny base to RMR footprint

• Reinforced stainless steel screw inserts for secure hold

Features:

• Aircraft-grade aluminum body — tough enough for real-world abuse

• Tight tolerance machining — no wiggle, no shift

• Stainless steel inserts — your threads won’t strip when you torque it down

• Low profile design keeps your optic height manageable

• Installs fast, locks tight

Perfect for anyone running RMR dots on multiple rigs. Swap between platforms without sacrificing strength or zero. MUCITUP builds this gear for folks who don’t baby their equipment.

Remember, stay sharp, stay ready, shoot straight!