M-Lok foregrip for the 300blk Brawler. Might work with the 5.56 version also.
Has standard M-Lok slots for mounting whatever you want on all 3 sides.
LBRY Tags: brawler; rossi brawler; 300blk; brawler foregrip; 300 blackout
FFFTech M-Lok Remix's
M-LOK Handguard Rail Cover