MIDWEST MK2 30MM RMR CAP

The Midwest MK2 30MM RMR Cap secures your optic mounting system with precision engineering. Whether you're setting up a duty rifle or a precision build, this cap maintains zero integrity on your red dot. TacticCAL Gun Store in Sunnyvale handles FFL transfer in Sunnyvale and stocks the components shooters from San Ramon trust.

30MM RMR mounting system integration

The MK2 receiver extension design pairs seamlessly with 30mm optic platforms. Midwest Industries engineered this cap for reliable retention under recoil and field use. Whether you're running a carbine or rifle configuration, the MK2 system maintains consistent performance. For shooters building specialized platforms, understanding your mounting options—including PC §32100 exempt revolvers for certain configurations—ensures your setup meets your mission requirements. TacticCAL is your Gilroy gun store for Bay Area shooters.

Frequently asked questions

Will this cap work on all Midwest MK2 receiver extensions?

Yes. The MK2 30MM RMR Cap is designed specifically for Midwest Industries MK2 receiver extensions and maintains compatibility across standard configurations.

What's the weight penalty for adding this cap to my build?

The cap adds 0.163 pounds to your system—minimal impact on overall rifle balance. Weight distribution remains consistent with standard MK2 setups.

Where is the closest FFL dealer to Santa Clara, Mountain View, or Palo Alto?

TacticCAL Gun Store in Sunnyvale is a short drive from Santa Clara, Mountain View, and Palo Alto, serving the South Bay as a full-service FFL dealer for transfers and DROS. Browse our full catalog at your Bay Area gun shop.