Out of stock
SKU: XO4190RADB
UPC: 604544622607
MPN: 4190RADB
The Blackhawk Omnivore Multi-fit Holster Rail Attachment Device is the small but critical piece that makes the Omnivore holster system work. It mounts to your handgun's accessory rail and gives the holster's locking mechanism a fixed point to engage, so a single Omnivore holster can fit more than 150 different pistols. This is the adapter, not the holster itself, and it's aimed at shooters who already run an Omnivore or plan to. If you carry multiple platforms or rotate duty pistols, the rail attachment device keeps your retention setup consistent across guns. Browse our full lineup of holsters to pair it with the right shell.
The attachment device clamps onto a Picatinny or Weaver-style accessory rail on the dust cover of a compatible pistol, then seats into the Omnivore's active locking lug. Because retention keys off the rail-mounted hardware rather than the gun's trigger guard or slide profile, the same holster body works across striker-fired and hammer-fired pistols of varying dimensions. The unit ships in black and weighs roughly an ounce, so it adds negligible bulk to the firearm. Once installed, the adapter stays on the pistol, and drawing disengages the lock with a natural firing grip. For shooters building out a dedicated rig, this is the part that ties the gun to the holster. See related holster adapters and duty holster options.
A buyer reaches for this adapter when they want one holster to cover several guns, or when they need a backup attachment device to dedicate a second pistol to the Omnivore system. It suits range shooters, competitors swapping between frames, and anyone running rail-equipped pistols who values a consistent retention draw. Keep one installed per firearm you intend to carry in the Omnivore, and the holster swaps between guns in seconds. Pair it with the matching Omnivore shell and explore our tactical holster selection to round out your carry setup.
This listing is for the rail attachment device only, not the holster shell. The adapter mounts to your pistol's accessory rail and engages the Omnivore holster's locking mechanism. You will need the Omnivore MultiFit holster body separately for a complete setup.
It fits handguns with a Picatinny or Weaver-style accessory rail on the dust cover. Because the holster keys retention off the rail-mounted adapter, the Omnivore system covers more than 150 different pistol models with a single holster body.
Yes. Install one attachment device on each pistol you want to carry, and the same Omnivore holster will accept any of them. This is the main reason shooters who run multiple platforms choose the system.
Yes. The attachment device installs on the firearm's accessory rail and remains in place. It seats into the holster's locking lug when holstered and releases as you draw with a normal firing grip.
The attachment device weighs roughly an ounce, so it adds very little bulk to the firearm and does not interfere with handling or balance.
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