Yankee Hill Machine MLOK Vertical Grip Assembly with Storage Anodized Black Finish YHM-5420A UPC 816701019544
Product Description
The Yankee Hill Machine M-LOK Vertical Grip Assembly with Storage (YHM-5420A) is an ultra-rugged, battle-tested forend accessory engineered for modern AR-15 carbines, short-barreled rifles (SBRs), and tactical shotguns. Precision-machined in the USA from lightweight 6061-T6 billet aluminum and finished in a resilient Type III hardcoat anodized matte black, this vertical foregrip provides a rock-solid indexing point for improved recoil control, rapid target transitions, and firm driving of the firearm muzzle.
Featuring an integrated, O-ring sealed internal storage compartment, the YHM-5420A holds two CR123A lithium weaponlight batteries, spare optic power cells, or essential armorer field parts secure and dry during aggressive tactical use. The low-profile, ergonomic diameter ensures a positive hand grip without adding unnecessary bulk, while its low footprint avoids snagging on tactical slings, gear straps, or vehicle barricades.
Designed to secure directly to any standard M-LOK handguard slot, the YHM-5420A utilizes high-strength steel M-LOK mounting hardware to lock tightly onto aluminum or polymer forends. Built for extreme durability and zero-movement reliability under high-volume firing schedules, this Yankee Hill Machine vertical foregrip is an essential addition for hard-use tactical setups.
Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Secures directly to any standard M-LOK handguard rail slot. Requires a standard 1/8" hex Allen wrench for mounting installation.
- Perform a complete firearm safety check: drop the magazine, lock the bolt rearward, and visually inspect the chamber to verify zero live rounds are present.
- Select the target M-LOK slot on your handguard to establish your preferred support-hand reach and control angle.
- Insert the M-LOK T-nuts into the slot and turn the mounting screws clockwise using a 1/8" hex wrench until the T-nuts rotate 90 degrees and lock against the inside wall of the handguard.
- Torque the mounting screws evenly to 30–35 in-lbs to ensure zero movement during heavy firing schedules.
- Unscrew the textured end cap to insert up to two CR123A batteries into the water-resistant internal storage cavity, verifying the rubber O-ring seal is seated correctly before tightening.
Key Features
- 6061-T6 Billet Aluminum Construction: Machined from high-strength aircraft aluminum to withstand impact drops and violent recoil.
- Integrated Water-Resistant Storage Compartment: Securely houses up to two CR123A batteries or spare firing pins inside the sealed grip cavity.
- Low-Profile Ergonomic Design: Slim outer profile provides maximum control without cluttering the handguard.
- Direct M-LOK Attachment Interface: Mounts flush to all M-LOK compatible handguards using high-strength steel T-nut fasteners.
- Mil-Spec Type III Hardcoat Anodized Black: Resists thermal shock, chemical solvents, abrasion, and environmental corrosion.
- Ambidextrous Operational Layout: Neutral profile allows comfortable use for left- or right-handed shooters.
Product Specifications
- Brand: Yankee Hill Machine Co. (YHM)
- Model/Series: M-LOK Vertical Grip Assembly with Storage
- MPN / SKU: YHM-5420A
- UPC: 816701019544
- Attachment Interface: M-LOK System
- Storage Capacity: Fits 2x CR123A Batteries or Small Tools
- Material: 6061-T6 Billet Aluminum
- Finish / Color: Mil-Spec Type III Hardcoat Anodized Matte Black
- Overall Length: 3.125 Inches
- Weight: 2.75 oz
- Country of Origin: USA
