Roll-N-Lock M-Series specs
| Brand | Roll-N-Lock |
|---|---|
| Cover type | Retractable: Manual retractable; vinyl-over-aluminum cover in a compact canister (M-Series XT adds T-slot rails) |
| Material | Vinyl over an aluminum undercarriage |
| Lock | Keyed lock. Keyed lock (the listing shows key and tailgate locking). |
| Security level | Level 3: hard, keyed (our grouping) |
| Bed access | 89% bed access. Roll-N-Lock says its canister is the most compact of any retractable, 7-1/4 in deep, leaving about 89% of a 5.5 ft bed open. |
| Drive with it open | Yes |
| Install | Bolt-in canister and rails; drain tubes required. |
| Load rating | Not published for this listing |
| Weight | 95 lb (listing or retailer figure) |
| Profile | Low profile, at or near the bed rails |
| Weather sealing | Drain tubes from the canister; no published sealing test. |
| Bed racks | The M-Series XT's MaxTrak rails take most T-slot accessories from Yakima, Thule and Rhino-Rack (maker claim). |
| Warranty | 3 yr |
| Made in | USA with global materials (maker claim) |
| Fitment we checked | 2021–2024 Ford F-150 5'7" bed (67.1"), M-Series XT (part 131M-XT) |
| Price tier | $$$$ Top-end (over $1,600), about $1,999.99 for this fitment when checked. See Amazon for today's price. |
- The F-150 5.5 ft listing we found is the M-Series XT (with MaxTrak rails). Its title says 2021–2025 while its fitment bullet says 2021–2024; use the listing's fitment tool.
- Roll-N-Lock's maker site couldn't be read; specs are from the maker-supplied Amazon listings.
- Weight (95 lb) is the F-150 XT listing's item weight.
Fitments we checked
Each truck and bed is a separate Amazon listing. Prices are what Amazon showed on November 12, 2026, not live. Always confirm with the listing's fitment tool before you buy.
| Truck and bed | Notes | Price |
|---|---|---|
| Ford F-150 2021–2024, 5'7" bed (M-Series XT) | Part 131M-XT with MaxTrak T-slot rails (our representative listing) About $1,999.99 when checked | Check price |
| Ford F-150 2021–2025, 8' bed | Part LG133M (M-Series) About $1,899.99 when checked | Check price |
| Ram 1500 2019–2025, 5'7" bed (M-Series XT) | Part 401M-XT; not for the Multi-Function tailgate About $1,849.99 when checked | Check price |
| Ram 1500 2019–2024, 6'4" bed | Part LG402M (M-Series); not for the Multi-Function tailgate About $1,899.99 when checked | Check price |
| Toyota Tundra 2022–2024, 5'7" bed | Part LG575M (M-Series) About $1,799.99 when checked | Check price |
| Toyota Tundra 2022–2026, 5'7" bed (M-Series XT) | Part 575M-XT About $1,999.99 when checked | Check price |
Specs are compiled from maker copy on Amazon and at the retailer etrailer, plus independent tests, and may change between production runs. Not sure of your bed? Use the bed size finder.
Roll-N-Lock M-Series Retractable Tonneau Cover video review
Video by WhitetailGarage on YouTube. Independent creator content, shown as a reference. It is not part of our scoring.
The Roll-N-Lock M-Series is a manual retractable tonneau cover with a vinyl top over an aluminum undercarriage, a keyed lock and the smallest canister of any retractable we track. The F-150 5’7” listing we verified is the M-Series XT (part 131M-XT), which adds T-slot MaxTrak rails; Amazon listed it at about $2,000 on November 12, 2026, with other fitments from about $1,800. We haven’t tested it ourselves; this review draws on the maker-supplied Amazon listings and owner feedback. Find your bed with the bed size finder and see the overall ranking in our best tonneau covers of 2026.
Who it’s for (and who should skip it)
It’s for retractable buyers who resent losing a foot of bed to the canister, and for rack users who want T-slots built into the cover rails. Roll-N-Lock says its canister is 7-1/4 in deep, about half the depth etrailer lists for Retrax.
Skip it if you want a long warranty or a published load rating. Roll-N-Lock lists 3 years and no rating on these listings, while the RetraxPRO MX carries a lifetime guarantee and a 500 lb rating at a similar price. On a budget, a hard folder like the Gator EFX costs about a quarter as much.
Security and locking
The cover locks with a key, so it stays secure with the tailgate open, which makes it level 3 on our security scale. Roll-N-Lock describes an aluminum undercarriage with a patented contoured hinge design that adds theft protection under the vinyl skin. That vinyl is still the outer surface, so it isn’t as slash-resistant to look at as bare aluminum slats.
Bed access and everyday use
The canister is the headline. At 7-1/4 in deep (maker claim), it leaves about 59.9 in of a 67.1 in F-150 short box open, roughly 89% of the bed. A Retrax-size canister at 13-1/2 in leaves about 80%. The bed access calculator uses the larger Retrax figure for its retractable row, so on a Roll-N-Lock add back about 6 in.
Operation is spring-assisted: Roll-N-Lock says a torsion spring in a 3 in aluminum casing and the contoured hinges make it roll smoothly. The listing weight for the F-150 XT is 95 lb, so installation is a two-person job.
Weather sealing and drain tubes
The cover uses drain tubes from the canister, like every retractable, and the listings don’t describe a sealing test. We found no independent water test of the M-Series. Car and Driver’s test of a GatorTrax retractable found leaks at the cab-side corners and from the canister until a drain was fitted, a reminder that drain routing is the job to get right on any retractable. More in are tonneau covers waterproof?
Install and fitment
The canister and rails bolt in, and the drain tubes route through the bed. We checked these listings: F-150 2021–2024 5’7” (M-Series XT; its title says 2021–2025, its fitment bullet 2021–2024, so trust the fitment tool), F-150 2021–2025 8’ (M-Series), Ram 1500 5’7” (XT) and 6’4” (M-Series), both not for the Multi-Function tailgate, and Tundra 2022–2024/2026 5’7” in both versions. A standard M-Series F-150 5’7” listing also exists but showed no buy-box price when we checked.
What you’ll need beyond the box
- Rack hardware. The XT’s MaxTrak rails take T-slot accessories; for the standard M-Series, the Thule Xsporter Pro Shift and Thule TracRac SR base rail list retractable covers as compatible. Check both fit guides. Our covers with a bed rack guide has more.
- A bed mat like the Husky Liners F-150 5’7” mat.
- Vinyl care: the top is vinyl, so a UV protectant such as 303 Aerospace Protectant is worth using.
See the accessories page.
Reliability and warranty
Roll-N-Lock lists a 3-year warranty, much shorter than Retrax’s. The owner record on Amazon is thin: 3 ratings on the F-150 XT listing, 6 at 3.2 on the Ram 6’4” listing and 19 on the F-150 8’ listing. That’s too few to judge long-term reliability either way.
Bottom line
The M-Series earns its place with the most compact canister of any retractable (maker claim), a key lock and, on the XT, rack-ready T-slot rails. Against the RetraxPRO MX it gives up warranty length, a published load rating and owner history at a similar price. Buy it for the bed space or the rails; read RetraxPRO MX vs Roll-N-Lock M-Series for the head-to-head, or check the price.
Accessories that pair with the Roll-N-Lock M-Series
Cover care, bed racks, mats and cargo gear sold on Amazon. Most bed and floor products are vehicle-specific: the fitment shown is the listing we checked, so search the same product for your truck if yours differs.
- Bed rackThule Xsporter Pro Shift truck rack (500010)Compatible, third-party
Sliding 18 in towers that move along the bed for different loads, rated to 600 lb per the listing. A rack that rides on its own rails is the usual way to combine bars with a retractable cover. Requires Thule TracRac base rails (sold separately). The listing says it's compatible with retractable tonneau covers 'see fit guide', so confirm your exact cover in Thule's fit guide.
- Bed rackThule TracRac SR base rail (217870)Compatible, third-party
The drill-free base rails the Xsporter Pro Shift and TracRac SR racks mount to. Needed for the Xsporter Pro Shift; check Thule's fit guide for your truck and cover before ordering.
- Bed rackYakima OverHaul HD adjustable truck bed rack (8001151)Works with any cover
Height-adjustable towers with T-slots and SKS locks, rated 500 lb on-road and 300 lb off-road per the listing, for rooftop tents, ladders and boats. The Amazon listing doesn't state tonneau-cover compatibility. Check Yakima's fit guide for your truck and cover before buying.
- Cargo managementKeeper ratcheting cargo bar, 40–70 in (05059)Works with any cover
Pins groceries and gear against the bulkhead or tailgate so nothing slides around under a closed cover. It sits below rail height, so the cover closes over it. 40–70 in span; measure between your bed walls at the height you'll use it.
- Cargo managementRhino USA ratchet straps, 1 in × 15 ft (4-pack)Works with any cover
Tie-downs for loads strapped to a bed rack, or tall cargo you haul with a roll-up or folding cover open.
- Cargo managementMigaven heavy-duty truck bed cargo net, 4 × 6 ftWorks with any cover
The fallback when a load sticks up past the rails and the cover has to stay open: a stretch net over the bed keeps loose items in.
- Cargo managementRough Country slide-out truck bed cargo tray (10209)Works with any cover
Brings small items to the tailgate so you don't have to crawl under a cover to reach the front of the bed. Rough Country says the 4 in tray fits under any bed cover. Listing fitment: Trucks with a 5'7" or longer bed (tray is 62.3 × 23.6 × 4 in). Per the listing, fits beds 5'7" or longer; 5 ft midsize beds are too short.
- Cargo managementDECKED drawer system (XR7)Works with any cover
Two bed-length lockable drawers under a flat deck rated for 2,000 lb of cargo per the listing. Under a locking cover, it turns the bed into secure tool storage. Listing fitment: 2019–current Ram 1500 (DT) 6'4" bed, not RamBox. A drawer system raises the bed floor, which cuts the height left under a cover. DECKED sells a separate model for each truck and bed length.
- Bed matHusky Liners custom-fit rubberized bed mat (16008)Works with any cover
A rubberized mat with air-dry nibs underneath, so water that gets past a soft cover's seals can drain instead of sitting on the paint. Listing fitment: 2015–2026 Ford F-150 and 2022–2026 F-150 Lightning, 5'7" bed. Per the listing, it will not fit over a drop-in bed liner.
- Bed matRough Country heavy-duty rubber bed mat (RCM671)Works with any cover
A cheaper rubber mat that protects the floor and keeps cargo from sliding into the tailgate. Listing fitment: 2015–2027 Ford F-150, Lightning and Raptor, 5'7" (67 in) bed.
Compatibility checked November 2026. More in our truck bed accessories guide.
Featured in our guides
- The Best Tonneau Covers for the Toyota Tundra (2022–2026): 7 Picks for the 5.5 ft Bed
- The Best Retractable Tonneau Covers of 2026: RetraxPRO MX, RetraxONE MX and Roll-N-Lock Compared
- The Most Secure Tonneau Covers of 2026: Keyed, Hard and Slash-Resistant Picks
- RetraxPRO MX vs Roll-N-Lock M-Series: Which Retractable Cover?
