Daniel Defense M-Lok Vertical foregrip Mil-Spec

Product Description

The Daniel Defense M-LOK Vertical Foregrip Mil-Spec is a vertical grip designed to attach directly to M-LOK compatible handguards on AR-platform rifles. It provides a forward hand position for shooters who prefer vertical grip control.

This foregrip installs into M-LOK slots without adapters or rail sections. The vertical profile supports thumb-forward grip styles and helps drive the muzzle during rapid strings of fire.

Shooters building modern AR setups often choose M-LOK accessories to keep rail surfaces clear and reduce weight compared to full-length Picatinny.

Key Facts

• Product Name: Daniel Defense M-LOK Vertical Foregrip Mil-Spec
• Brand: Daniel Defense
• SKU: DD-21-067-19145-011
• Mount System: M-LOK direct attach

How M-LOK Vertical Grips Install

M-LOK accessories slide into the narrow slots machined into compatible handguards. You align the mounting lugs with the slots, position the grip where you want it, then tighten the fasteners to lock it in place.

The system eliminates the need for a continuous Picatinny rail section. That saves weight and keeps the handguard profile slim where you are not mounting accessories.

If you are upgrading an older quad-rail setup, you will need an M-LOK handguard first. Browse our full selection of AR grips to compare mounting options.

Vertical Grip vs Angled Foregrip

A vertical foregrip runs perpendicular to the bore axis. An angled foregrip tilts back toward the shooter, typically around 15 to 20 degrees.

Vertical grips support a full-palm wrap and work well for shooters who drive the gun with the support-side arm extended. Angled grips encourage a thumb-over-bore hold and can feel more natural when firing from compressed positions.

The choice depends on your shooting style, the length of your handguard, and whether you train primarily from standing or supported positions. Neither is objectively better; both have loyal followings.

What to Know Before Ordering an AR Vertical Grip

Federal law treats vertical foregrips differently depending on what they are mounted to. Adding a vertical foregrip to an AR-pattern pistol with a barrel shorter than 16 inches creates an Any Other Weapon under the National Firearms Act, which requires ATF registration.

If you are mounting this grip on a rifle with a 16-inch or longer barrel, no NFA paperwork applies. If you are building a pistol or short-barreled rifle, call us at 817-393-4000 before ordering so we can walk you through the compliance requirements.

You will also want to confirm the grip position does not interfere with your light mount, sling attachment, or hand stop if you run any of those.

Buying from Western Sport in Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving North Texas and the DFW area since 2007. We handle transfers, special orders, and gunsmithing on site under the direction of owner and gunsmith Lance Rankin.

Call 817-393-4000 to place an order, confirm specifications, or ask about compatibility with your current build. We are located in Roanoke, Texas.

Frequently Asked Questions

Q: Does the Daniel Defense M-LOK vertical foregrip fit Picatinny rails?

A: No, this foregrip attaches directly to M-LOK slots only. It will not mount to Picatinny or KeyMod rails without an adapter. If you have a Picatinny handguard, you will need a Picatinny-compatible vertical grip or an M-LOK rail section.

Q: Can I put a vertical foregrip on an AR pistol?

A: Adding a vertical foregrip to an AR pistol with a barrel shorter than 16 inches creates an Any Other Weapon under the NFA, which requires ATF registration on a Form 1 before installation. Mounting it on a rifle with a 16-inch or longer barrel does not trigger NFA requirements. Call 817-393-4000 if you need help determining whether your build requires paperwork.

Q: How does a vertical grip compare to an angled foregrip for control?

A: A vertical grip allows a full-palm wrap and supports driving the gun with the support arm extended, which many shooters prefer for recoil management during rapid fire. An angled foregrip tilts back and encourages a thumb-over-bore hold, which can be faster from compressed shooting positions. The better choice depends on your shooting style and typical engagement distances.

Q: Will this Daniel Defense vertical grip work on my M-LOK handguard?

A: Yes, the Daniel Defense M-LOK Vertical Foregrip Mil-Spec mounts to any M-LOK compatible handguard. Confirm your handguard has M-LOK slots rather than Picatinny or KeyMod, then position the grip in the slot that gives you the best reach and control.

Q: What is the difference between Mil-Spec and commercial vertical grips?

A: Mil-Spec typically refers to dimensions and tolerances that meet military procurement standards, though the term is also used in marketing. For vertical grips, it generally means the design has been tested for durability and dimensional consistency. The practical difference for most shooters is build quality and how well the grip holds up under repeated use and temperature swings.

Q: Does Western Sport provide gunsmithing services for AR builds in the DFW area?

A: Yes, Western Sport offers gunsmithing services on site in Roanoke, Texas, under gunsmith and owner Lance Rankin. We handle builds, installations, and modifications for customers throughout North Texas and the DFW area. Call 817-393-4000 to discuss your project and schedule service.