Lower profile. Same mission-ready build.
RAILRUNR Belt sold separately.
The 4L MPAK Carrier is built for streamlined loadouts when you need the essentials close at hand without carrying unnecessary bulk. Designed to integrate with the RAILRUNR Belt, the MPAK moves along the belt’s rail so you can manually bring your gear forward for quick access and return it to a secure stowed position when you're on the move.
With 4 liters of capacity, the MPAK offers a compact footprint while still providing room for the gear you rely on most. A top-access zipper keeps contents easy to reach, while MOLLE-compatible webbing expands your attachment options. A hook-and-loop panel provides space for identification or patches, giving you a versatile carrier that can be configured around the task.
Whether you're on the range, trail, jobsite, or in the field, the 4L MPAK delivers fast access, modular capability, and a low-profile carry experience built around movement.
Available in MultiCam, Coyote, and Black.
Features:
- 4-liter capacity for streamlined loadouts
- Designed for use with the RAILRUNR Belt system
- Moves along the RAILRUNR rail for front access and rear stowage
- Top-access YKK-style zipper with pull tab
- MOLLE-compatible webbing for modular attachments
- Hook-and-loop patch panel for ID or custom patches
- Compact, low-profile design for active use
- Available in MultiCam, Coyote, and Black
Carry the essentials. Keep them within reach.
Key Features
Exterior Trauma Shear Pocket - A dedicated low-profile top pocket keeps trauma shears within reach the moment you need them — no digging, no delay.
Laser Cut MOLLE System Laser cut MOLLE slots across the front panel lets you customize your loadout, adding pouches and attachments exactly where your mission demands them.
RAILRUNR System The patent-pending rail system locks the bag onto your harness track and lets you reposition it on the fly — no removing or adjusting your belt.
Expandable Bottom Gear Straps Adjustable compression straps along the base expand to secure additional gear, keeping everything tight and accessible.
Tourniquet Slip Pocket Elastic slip pockets on the bottom of the pouch carry a tourniquet and chemlights or sharpies for quick access.
YKK Zippers Trusted heavy-duty zipper construction runs the full perimeter for smooth, reliable access under pressure — even with gloves on.
Velcro Patch Panel A front-facing hook-and-loop patch panel gives you a spot for unit morale patches, ID panels, or infrared markers.
Lid Pocket The rear access lid pocket lets you store and access critical items without having to dig through the rest of your gear.
Side Handles Side grab straps allow for one-handed operation to pull the entire pouch around when you need instant access to supplies.
Stretch Straps (Top) Six elastic retention straps across the interior lid keep gear locked in place and immediately visible the moment you open the bag.
Removable Organizing Panel The modular inner divider pulls out completely, letting you pre-stage your kit, using the elastic bandolier straps, and drop the whole insert into another bag or hand it off without repacking under pressure.
Mesh Pocket with Zipper A zippered mesh pocket on the interior face keeps smaller items contained and visible without adding bulk to your main compartment.
Slip Stop Strips - Slip resistant patches on the internal side of the waistbelt prevent unwanted rotation when moving the pouch along the rail.
Cam Adjustable Side Release Buckle - The cam-lock lever on the female buckle provides extended adjustability to ensure functionality over a wider range of sizes.
Shipping & Returns
All RAILRUNR products are built to order and ship from Boone, NC within 1–3 business days. Transit times vary by region (2–9 business days). Shipping rates and expedited options are calculated at checkout.
Need it by a specific date? Email us at info@tsuga.us before ordering and we'll confirm whether we can make it work.
International orders are handled case-by-case — contact us before purchasing.
Questions? info@tsuga.us · 828-773-4013
International Orders International shipping is handled on a case-by-case basis. Contact us at info@tsuga.us before placing an international order to confirm availability and rates.
Questions? Email: info@tsuga.us Phone: 828-773-4013
Sizing Guide
Belt Sizing:
- Small Belt: 26"- 31"
- Medium Belt: 32"- 37"
- Large Belt: 38"-43"
Based on Men's Pants Sizes
Specs
4L Pouch
- 12.5” x 4.75” x 6”
- 19.9 oz
7L Pouch
- 13” x 5.5” x 7.25”
- 23.3 oz
Small Belt
- 43” x 5.5” x 0.75”
- 7.5 oz
Medium Belt
- 49.5” x 5.5” x 0.75”
- 7.9 oz
Large Belt
- 54.5” x 5.5” x 0.75”
- 8.4 oz
Features
Your System. Your Setup.
The removable organizing panel lets you configure your interior layout and pull it out when you need the full space.
Make It Yours.
Swap in any standard morale or ID patch to personalize your kit and represent what matters to you in the field.
Made with Care.
Everything we create is made to last with premium materials and intentional craftsmanship.
