Description
The CMMG Accessory Rail 5 Slot KeyMod (55DA299) is a compact Mil-Std-1913 Picatinny rail section designed to expand the accessory mounting options on any KeyMod handguard, letting AR-platform shooters and rifle builders add lights, lasers, grips, and other Picatinny-compatible gear with ease.
Key Features
Manufacturer part number: 55DA299
Rail standard: Mil-Std-1913 Picatinny
Attachment system: KeyMod
Number of slots: 5
Finish: Hard anodized black
Compatible with CMMG KeyMod handguards and other standard KeyMod rail systems
Special Features
Hard anodized black finish provides a durable, corrosion-resistant surface that holds up to field use and matches most modern rifle color schemes
Mil-Std-1913 Picatinny slot pattern ensures broad compatibility with virtually any standard tactical accessory on the market
KeyMod attachment design keeps the rail section low profile and secure without adding unnecessary bulk to the handguard
Compact 5-slot format gives shooters a dedicated mounting surface exactly where they need it rather than committing to a full-length rail
Practical Benefits
The CMMG Accessory Rail 5 Slot KeyMod (55DA299) is the straightforward solution for any AR-platform builder who wants to run a KeyMod handguard but still needs one or two Picatinny-compatible accessories mounted at a specific position
Ideal for adding a weapon light, pressure switch pad, vertical foregrip, or sling mount to a minimalist free-float setup without covering the entire handguard in rail sections
The hard anodized finish and solid construction make it equally at home on a dedicated hunting rifle build, a competition carbine, or a home defense AR where reliability of every attached component matters
Keeps the rifle lightweight and snag-free while still delivering full accessory mounting flexibility exactly where the shooter needs it
Broad KeyMod compatibility means it works with CMMG handguards as well as other brands running the KeyMod standard, making it a versatile buy for multi-rifle owners
The CMMG Accessory Rail 5 Slot KeyMod (55DA299) is a dependable option for AR builders and tactical shooters who want clean, modular accessory mounting on their KeyMod handguard setup.


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