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Magpul
Overview
The Magpul M-LOK Cantilever Rail/Light Mount is designed to provide a secure platform for attaching accessories such as lights and optics to your AR-15. With its cantilever mount design and Picatinny interface, this mount enhances versatility by allowing you to position your gear further forward, optimizing your setup for better balance and accessibility. This mount is frequently used in builds featuring a carbine gas system and chambered in .45 caliber.
Specifications
Available Merchants(7)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Magpul M-LOK Cantilever Rail/Light Mount - MAG588 to a build in July 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 7 retailers we track have it in stock. It dipped to $28.80 at KY Gun Company for a stretch in September 2026, well under its usual $34.15, so sales do come around. Buying today, the lowest price is $28.80 at KY Gun Company, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which optic mount to pick?
We ranked every optic mount by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Optic Mount Guide →Check it against the live catalog:
Frequently Built With
Popular alongside optic mounts on GunPartPicker
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Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Builds Featuring This Part
See all 1 →Builds in the community that include the Magpul M-LOK Cantilever Rail/Light Mount - MAG588
| Build | Parts | Total |
|---|---|---|
 | 27 | $1800.26 |
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