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USGI 4‑Piece Modular Sleep System (MSS) – ACU – Tennier Industries – Complete Set
🔥 -40°F Extreme Cold Weather Rated | Gore‑Tex Bivy | Full 4‑Piece System
📸 Photos show the worst‑case examples so buyers know exactly what to expect.
This is a genuine USGI 4‑Piece Modular Sleep System (MSS) manufactured by Tennier Industries, built for extreme cold weather and rugged field use. The MSS is normally issued as a 5‑piece system, but this listing includes 4 pieces and comes with the large compression stuff sack only. ➡️ The small compression sack is NOT included.
With a temperature rating down to –40°F, this system is ideal for camping, hunting, overlanding, emergency kits, or cold‑weather operations.
Included in this listing: ✔️ Patrol Bag ✔️ Intermediate Cold Weather Bag ✔️ Gore‑Tex Bivy Cover ✔️ Large Compression Stuff Sack (small sack not included)
🟩 Condition
Used with normal wear in good, fully serviceable condition. Key condition notes:
✔️ No rips, tears, or holes
✔️ Fully functional zippers, snaps, and drawcords
✔️ May have dirt marks from field use
✔️ May have pilling on fabric surfaces
✔️ Bivy may show typical Gore‑Tex creasing/wear
✔️ All components included are structurally sound
📸 See all photos for the best description — images show the worst examples so expectations are accurate.
🟦 PATROL BAG FEATURES
Temp rating: +30°F
Water‑resistant ripstop nylon
Reversible double‑pull zipper for top/bottom ventilation
Self‑repairing zipper design
Draft flap to reduce heat loss
Adjustable hood with drawcord
Dimensions: 92" x 37" tapering to 24"
Color: Foliage
🟧 INTERMEDIATE COLD WEATHER BAG FEATURES
Temp rating: –10°F
Water‑resistant ripstop nylon
Insulation designed to prevent cold spots
Anatomical foot box with double insulation
Sewn‑in quilted chest collar to block drafts
Adjustable hood with drawcord
Dimensions: 87" x 35.5" tapering to 23"
Color: Urban Grey
⬛ LARGE STUFF SACK FEATURES
Compresses system to approx. 1 cubic foot
Six 1" compression straps with ladder‑lock buckles
Reinforced circumference webbing
Drawcord closure with barrel lock
Dimensions: 30" x 14"
Color: Foliage
🟫 GORE‑TEX BIVY COVER FEATURES
3‑layer waterproof & windproof Gore‑Tex
Approved by all DoD branches
Snap and slide fastener closure
Dimensions: 85" x 28" x 35"
Color: ACU Digital
📦 Shipping
Ships from Texas. Orders processed Tuesday–Saturday. No shipping Sunday/Monday. We Ship Fast! ⚡📦
🔁 Returns
Items must be returned in the same condition as received. Please do not modify, clean, or damage the item, as this will void the return policy.
