A CLOSER LOOKOutdoor Accessories
Add sliding room for your accessories.
YakAttack GridLoc MightyMount XL
12-inch track · black
Buyer feedback ↓The long GridLoc MightyMount XL gives T-bolt accessories a sliding track on a compatible deck or BlackPak Pro panel. This is the black, longest version.
- 12.06 × 0.4 × 2 inTrack dimensions · L × H × WInstalled flat on a deck≈ 3.6 × 0.12 × 0.59 bank-card lengths
- 10.5 inUsable trackClear sliding length between the ends≈ 3.1 bank-card lengths
- GridLoc patternUpdated mounting holesDifferent from the older MightyMount XL
Amazon US · 12-inch track · black · Retailer link
THE QUICK TAKE
Is it right for you?
Choose this version when you need a longer adjustment range for track-mounted gear. It accepts accessories from either end and gives a LockNLoad base room to move before tightening.
The drawback is the required mounting area. It is too long for some BlackPak Pro sides, and its updated holes do not automatically match the older MightyMount XL. Measure the surface and pattern first.
01 / BUYING NOTES
Before you buy.
Match the new holes.
This is the GridLoc generation of MightyMount XL. Its hole layout differs from the older model, so an existing set of drilled holes may not line up.
Use the appropriate crate side.
YakAttack specifies the long side of the larger BlackPak Pro for this version. Shorter crate sides call for a shorter rail, not a track that overhangs the panel.
Leave room at the ends.
T-bolt accessories load from either end. Keep those entry points accessible and leave enough clearance to tighten each accessory once it is positioned.
02 / AMAZON REVIEWS
The buyers’ view.
Owners of the selected long rail describe easy accessory changes, including swapping paddle holders, rod holders and camera gear. One found installation straightforward and the build solid; another liked how pole holders locked into position but felt the rail looked thin and was expensive.
What buyers like
- functionality19
- sturdiness19
- fit9
- compatibility7
Mixed feedback
- missing hardware8
Common concerns
- Value for money5
The small numbers are review mentions. Topics and sentiment are from Amazon’s customer-review overview.
Amazon US · Checked . Ratings may include other colors and sizes.
View source ↗03 / REVIEWS & VIDEO
See it in use.
See how it works, then read the findings behind the buying advice.
YakAttack: Episode 2, Old Town Sportsman 120 Build - MightyMount XL
Shows GridLoc rails fitted around an Old Town tankwell. The video links both medium and long versions; match the selected long rail to your available space.
Watch on YouTube ↗Video and written sources are labeled by creator and tested scope. Manufacturer demonstrations explain use; they are not independent tests. No in-house hands-on testing is claimed.
Read 2 written sources Product scope is labeled · key findings in bold
YakAttack distinguishes the overall track size from usable sliding length. It also calls out the new GridLoc hole pattern and the specific BlackPak Pro side suited to this longest version.
The selected MMGLXL-12 is the black long track with stainless installation screws. Shorter and colored rails appearing in the shared gallery are different variants.
04 / COMPARE
Different priorities.
Choose the tradeoff that fits how you will use it.
Swipe to see every alternative →
THIS GUIDEYakAttack GridLoc MightyMount XLMMGLXL-12 |  ALTERNATIVEScotty 440-8 Low Profile TrackExact selected model |  ALTERNATIVEYakAttack MightyMount IIMMH2 | |
|---|---|---|---|
| Amazon price | $17.95 | $12.55 | $12.95 |
| Best for | A long adjustable accessory rail | Adding an adjustable rail to a flat deck | A small fixed attachment point |
| System | GridLoc track with end entry | Scotty low-profile composite track | Low deck base with a T-bolt slot |
| Installation | Match the mounting area and new hole pattern | Fasten to a supported surface | Check the fastening surface and backing |
| Consider | Too long for smaller crate sides | Adapter and accessory are separate | No sliding adjustment |
| Explore | Read buying guide →Amazon source ↗ | Read buying guide →Amazon source ↗ | Read buying guide →Amazon source ↗ |
About these everyday comparisons
Approximate comparisons to familiar objects: a bank card’s 3.37-inch long edge, a Letter sheet’s 11-inch long edge, or a US nickel’s 21.21 mm diameter / 5 g weight. Water comparisons exclude the container’s weight. Capacity comparisons describe volume, not exterior size or how food fits. Reference pictures identify the object; use the labeled ratio for the comparison.
05 / PRICE HISTORY
The price over time.
YakAttack GridLoc MightyMount XL · 12-inch track · black · Amazon US
The chart legend identifies Amazon and new-offer prices when available. New offers can include marketplace sellers. Coupons, shipping and size/color selections can change the final price. Blank periods are missing observations, not a zero price.
06 / RELATED FINDS
A useful extra.
For the way you plan to use it.
Add an adjustable display platform
YakAttack Universal Mounting Plate
The LockNLoad universal plate is a compatible YakAttack track accessory.