GG&G's under foregrip rail offers mounting from the six-o-clock position on the foregrip of your AR-15 or M-16. This Picatinny (MIL-STD-1913) rail lets you mount lights and vertical foregrips with ease.
Combat Rail One Piece Free Float Handguard, M-LOK™ - Midwest
GGG-1131 Offset Tactical Flashlight Mount
Picatinny rail - Wikiwand
How do Picatinny rails work? - Quora
FIREARM ACCESSORIES - RAIL SYSTEMS - 1913 Picatinny - Mission
Rail Picatinny Weaver (MIL-STD-1913) – 155mm
1913 PICATINNY ERGONOMIC ANGLED FOREGRIP W/STORAGE/ BLACK - Durkin
ETI UFIR, ETI Under Foregrip Rail For AR-15 Rifle Forearms
R-EX Rail Extension for Picatinny Rail - Tdi Arms
GG&G Under Forearm Integrated Rail (UFIR)
BCM 8 QRF Free Float Quad Rail Handguard Bravo Company Pica
Midwest Industries MI AK-SSK KeyMod Handguard: KeyMod Tactical
GG&G STANDARD Rail ライザーマウント□Mil-spec
