Product code: Magpul outlet mbus
Magpul MBUS. Brand new, never used. Comes with sight adjustment tool, and the Allen wrench for attaching to rail. outlet They flip up at press of the button. Here's an Amazon link. https://www.amazon.com/gp/aw/d/B06XKTQVG5/ref=sspa_mw_detail_1?ie=UTF8&psc=1&smid=A2HQFQ7N4D3TB&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9kZXRhaWwp13NParams.
Magpul MBUS. Brand new, never used. Comes with sight adjustment tool, and the Allen wrench for attaching to rail. outlet They flip up at press of the button. Here's an Amazon link. https://www.amazon.com/gp/aw/d/B06XKTQVG5/ref=sspa_mw_detail_1?ie=UTF8&psc=1&smid=A2HQFQ7N4D3TB&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9kZXRhaWwp13NParams.