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Questions & Answers
is the dark earth brown? Expert Answer

The Dark Earth Ergo Grip LowPro 18-Slot Ladder Rail Covers are similar to brown yes. Coyote Brown is a lighter shade of brown.

by Ethan, Gear Expert, October 14, 2022
Is graphite grey dark grey? How does it compare to Hogue grey stock? Expert Answer

The Ergo Grip LowPro 18-Slot Ladder Rail Covers Graphite Grey color will be a darker grey color. It may be similar to the Hogue grey stock but the shade of finish between parts and manufacturers will vary. So an exact match cannot be guaranteed.

by Hunter, Gear Expert, May 10, 2022
Customer Reviews
Helpful Positive Review Excellent pic rail covers by Lazarus, Verified Owner, March 15, 2025
Ergo is one of the originals and still one of the best. Comfortable, low profile, and insulative... they'll keep your hands cool when things get hot. They're a heat resistant polymer thats easy to trim to fit. Magpul branded ladder covers cost 25%...
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1/1 found this helpful
Helpful Positive Review Great Protection For Your Gun by Garand Thumb, September 8, 2023
Great product and for those that don’t know Ergo is the producer for several Magpul products. If you flip over the Magpul rail covers, they say Ergo on the back. So these are the exact same raill covers that Magpul sells at $12 apiece. It’s awesome t...
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2/2 found this helpful
Helpful Positive Review Modular and Functioning by opticsplanetusername, Verified Owner, February 3, 2021
Save rails and finger nails, cut with exacto blade for perfect fit. Supposed to write 200 characters, about 4-5 sentences, but it's a bit difficult with an obvious product. Spend a Jackson today, save a few Franklin's on a new handguard/upper and t...
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1/1 found this helpful
Helpful Positive Review Rail covers by Cryptid, Verified Owner, January 18, 2022
I like the look and feel of the rail covers. They are soft and are able to be removed or adjusted easily. The one thing I would like would be for rubber to have texture for added grip. I don't know if these will be slick when wet but I'll see. They f...
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1/1 found this helpful
Helpful Positive Review 4373-CB can be hard to find but OP had it! by ThatGuy, Verified Owner, September 22, 2021
There are a ton of ladder covers out there but ERGO makes the original and best. They fit perfect and if you have to cut...they are tough enough yet soft enough to cut an even line. There is no need to get fancy if you have a pic rail...these do th...
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1/1 found this helpful
Helpful Positive Review Worth every penny. by Chris, Verified Owner, August 23, 2021
I pretty much hold stock in quad rails at this point, and these are a must. Save your kit from betting dinged up, save your rail from getting dented, save your hands...unless you like them shredded. The heat from the sun alone, in the areas i have be...
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2/2 found this helpful
Read All 65 Reviews

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Our customers have spoken – this is one of the best rated products in the Weapon Accessories category! See more best rated Weapon Accessories products
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Product Info for ERGO 18 Slot Low-Pro Ladder Rail Cover

ERGO Grips LowPro 18-Slot Ladder Rail Covers protect your rails, hands, and attachments from harm caused by sharp rail edges, gear mounting, and environmental damage. These easy to install rail covers grip the unused rails of your floating rail system in a durable, rubberized texture that protects the finish of all your equipment. Plus, the highly tactile Santoprene of the ERGO Grips LowPro Rail Cover delivers improved weapon control with a low profile and a rubbery, high-friction texture. The ERGO Low-Pro 18-Slot Ladder Rail Cover also protects snag-prone accessories like para cord from being cut by your rail's edges. Long enough to cover 18 Picatinny rail sections, these rail covers are equally effective at protecting all aspects of your rails, whether they be spacers, locators, or even other covers. For the ultimate in rail protection and improved weapon control, stick the Ergo Grips Low Pro Eighteen Slot Ladder Rail Cover to your rail mounting system.image

Features of Ergo LowPro 18-Slot Polymer Rail Covers, 3E-RT-LWPRCVR:

  • Covers 18 Picatinny rail slots and protects them from damage
  • Made of highly tactile Santoprene
  • Low profile, high-grip surface improves hand comfort and weapon control
  • Prevents injuries to shooter's skin and damage to snag-prone gear and clothing that contacts sharp or rough rail edges
  • Easily trimmed for custom fitting

Package Contents:

  • ERGO Grips LowPro 18-Slot Ladder Rail Covers, 3E-RT-LWPRCVR
WARNING: California`s Proposition 65

ERGO 18 Slot Low-Pro Ladder Rail Cover Orderable Models

List of Orderable Models

Ergo 18-Slot Ladder Low-Pro Rail Cover, Each, Dark Earth, 4373-EA-DE , MPN: 4373-DE , UPC: 874748007474 , Code: 3E-RT-LWPRCVR-4373-EA-DE
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, 1 each per Pack, Black, 4373-3PK-BK-B , MPN: 4373-3PK-BK , UPC: 810049120757 , Code: 3E-RT-LWPRCVR-4373-3PK-BK-B
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Graphite Grey, 4373-GG , MPN: 4373-GG , UPC: 874748007498 , Code: 3E-RT-LWPRCVR-4373-GG
ERGO 18 Slot Low-Pro Ladder Rail Cover, 3 Pack, Foliage Green, 4373-3PK-FG , MPN: 4373-3PK-FG , UPC: 874748005258 , Code: 3E-RT-LWPRCVR-4373-3PK-FG
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Dark Earth, 4373-3PK-DE-B , MPN: 4373-3PK-DE , UPC: 874748001922 , Code: 3E-RT-LWPRCVR-4373-3PK-DE-B
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Coyote Brown, 4373-CB , MPN: 4373-CB , UPC: 874748007535 , Code: 3E-RT-LWPRCVR-4373-CB
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, OD Green, 4373-OD , MPN: 4373-OD , UPC: 874748007504 , Code: 3E-RT-LWPRCVR-4373-OD
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Black, 4373-BK , MPN: 4373-BK , UPC: 874748007467 , Code: 3E-RT-LWPRCVR-4373-BK
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, OD Green, 3-Pack-OD-B , MPN: 4373-3PK-OD , UPC: 810049122782 , Code: 3E-RT-LWPRCVR-4373-3PK-OD-B
ERGO 18 Slot Low-Pro Ladder Rail Cover, 1 Pack, Foliage Green, 4373-FG , MPN: 4373-FG , UPC: 874748007481 , Code: 3E-RT-LWPRCVR-4373-FG
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Purple, 4373-PUR , MPN: 4373-PUR , UPC: 874748007528 , Code: 3E-RT-LWPRCVR-4373-PUR
ERGO 18-Slot Ladder Low-Pro Rail Cover, Single, Yellow, 4373-YL , MPN: 4373-YL , UPC: 810049121235 , Code: 3E-RT-LWPRCVR-4373-YL
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Robbin's Egg Blue, 4373-REB , MPN: 4373-REB , UPC: 874748007764 , Code: 3E-RT-LWPRCVR-4373-REB
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Pink, 4373-PINK , MPN: 4373-Pink , UPC: 874748007511 , Code: 3E-RT-LWPRCVR-4373-PINK
ERGO 18-Slot Ladder Low-Pro Rail Cover, Single, Grey, 4373-GREY , MPN: 4373-GREY , UPC: 810049123208 , Code: 3E-RT-LWPRCVR-4373-GREY
ERGO 18-Slot Ladder Low-Pro Rail Cover, Single, White, 4373-WHITE , MPN: 4373-WHITE , UPC: 810049121228 , Code: 3E-RT-LWPRCVR-4373-WHITE
ERGO 18 Slot Low-Pro Ladder Rail Cover, 3 Pack, Red/White/Blue, 4373-3PK-RWB , MPN: 4373-3PK-RWB , UPC: 874748008143 , Code: 3E-RT-LWPRCVR-4373-3PK-RWB
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Purple, 4373-3PK-PUR-B , MPN: 4373-3PK-PUR-(B) , UPC: 810049122812 , Code: 3E-RT-LWPRCVR-4373-3PK-PUR-B
ERGO 18-slot Ladder Low-Pro Rail Cover, 3-Pack, White, 4373-3PK-WHITE-B , MPN: 4373-3PK-WHITE-(B) , UPC: 810049122867 , Code: 3E-RT-LWPRCVR-4373-3PK-WHITE-B
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Grey, 4373-3PK-GG-B , MPN: 4373-3PK-GG-(B) , UPC: 874748006231 , Code: 3E-RT-LWPRCVR-3PK-GG-B
ERGO 18-slot Ladder Low-Pro Rail Cover, 3-Pack, Grey, 4373-3PK-GREY-B , MPN: 4373-3PK-GREY-(B) , UPC: 810049123178 , Code: 3E-RT-LWPRCVR-4373-3PK-GREY-B
ERGO 18-slot Ladder Low-Pro Rail Cover, 3-Pack, Pink, 4373-3PK-Pink-B , MPN: 4373-3PK-Pink-(B) , UPC: 810049122805 , Code: 3E-RT-LWPRCVR-4373-3PK-PINK-B
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Robbin's Egg Blue, 4373-3PK-REB-B , MPN: 4373-3PK-REB-(B) , UPC: 810049122836 , Code: 3E-RT-LWPRCVR-4373-3PK-REB-B

ERGO 18 Slot Low-Pro Ladder Rail Cover Unavailable & Discontinued Models

List of Unorderable Models

Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Cobalt Camo, 4373-CAMO-COBALT , MPN: 4373-CAMO-COBALT , UPC: 874748008815 , Code: 3E-RT-LWPRCVR-4373-CAMO-COBALT
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Inferno Camo, 4373-CAMO-INFERNO , MPN: 4373-CAMO-INFERNO , UPC: 874748008839 , Code: 3E-RT-LWPRCVR-4373-CAMO-INFERNO
Ergo 18-Slot Ladder Low-Pro Rail Cover, Single, Predator Camo, 4373-CAMO-WOODLAND , MPN: 4373-CAMO-WOODLAND , UPC: 874748008846 , Code: 3E-RT-LWPRCVR-4373-CAMO-WOODLAND
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, Single, Imperial Camo, 4373-CAMO-IMPERIAL , MPN: 4373-CAMO-IMPERIAL , UPC: 874748008822 , Code: 3E-RT-LWPRCVR-4373-CAMO-IMPERIAL
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, Single, Tiger Camo, 4373-CAMO-TIGER , MPN: 4373-CAMO-TIGER , UPC: 874748008853 , Code: 3E-RT-LWPRCVR-4373-CAMO-TIGER
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, Single, Tracker Camo, 4373-CAMO-TRACKER , MPN: 4373-CAMO-TRACKER , UPC: 874748008860 , Code: 3E-RT-LWPRCVR-4373-CAMO-TRACKER
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, Single, Arctic Camo, 4373-CAMO-ARCTIC , MPN: 4373-CAMO-ARCTIC , UPC: 874748008808 , Code: 3E-RT-LWPRCVR-4373-CAMO-ARCTIC
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Blue, 4373-3PK-BLUE-B , MPN: 4373-3PK-BLUE-(B) , UPC: 874748008099 , Code: 3E-RT-LWPRCVR-4373-3PK-BLUE-B
Ergo 18-slot Ladder Low-Pro Rail Cover, 3-Pack, Pink, 4373-3PK-PK-B , MPN: 4373-3PK-PK-(B) , UPC: 874748004671 , Code: 3E-RT-LWPRCVR-4373-3PK-PK-B
USED Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Inferno Camo, 4373-3PK-CAMO-INFERNO-B, EDEMO1, Used, Condition Like New , MPN: 4373-3PK-CAMO-INFERNO-(B)-EDEMO1 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-INFERNO-B-EDEMO1
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Red, 4373-3PK-RD-B , MPN: 4373-3PK-RD-(B) , UPC: 874748008105 , Code: 3E-RT-LWPRCVR-4373-3PK-RD-B
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, 3-Pack, Yellow, 4373-3PK-YL , MPN: 4373-3PK-YL , UPC: 874748008112 , Code: 3E-RT-LWPRCVR-4373-3PK-YL
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, 3-Pack, Orange, 4373-3PK-OR , MPN: 4373-3PK-OR , UPC: 874748008136 , Code: 3E-RT-LWPRCVR-4373-3PK-OR
Ergo 18-slot Ladder Low-Pro Rail Cover, 3-Pack, Coyote Brown, 4373-3PK-CB-B , MPN: 4373-3PK-CB-(B) , UPC: 874748004763 , Code: 3E-RT-LWPRCVR-4373-3PK-CB-B
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, 3-Pack, Tiger Camo, 4373-3PK-CAMO-TIGER-B , MPN: 4373-3PK-CAMO-TIGER-(B) , UPC: 874748008785 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-TIGER-B
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, 3-Pack, Tracker Camo, 4373-3PK-CAMO-TRACKER-B , MPN: 4373-3PK-CAMO-TRACKER-(B) , UPC: 874748008792 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-TRACKER-B
ERGO Grip 18-Slot Ladder Lowpro Rail Cover, 3-Pack, Imperial Camo, 4373-3PK-CAMO-IMPERIAL-B , MPN: 4373-3PK-CAMO-IMPERIAL-(B) , UPC: 874748008754 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-IMPERIAL-B
Ergo Grip 18-slot Ladder Lowpro Rail Cover, 3-Pack, Z-Green 4373-3PK-ZG , MPN: 4373-3PK-ZG , UPC: 874748004985 , Code: 3E-RT-LWPRCVR-4373-3PK-ZG
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Inferno Camo, 4373-3PK-CAMO-INFERNO-B , MPN: 4373-3PK-CAMO-INFERNO-(B) , UPC: 874748008761 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-INFERNO-B
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Predator Camo, 4373-3PK-CAMO-WOODLAND-B , MPN: 4373-3PK-CAMO-WOODLAND-(B) , UPC: 874748008778 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-WOODLAND-B
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Arctic Camo, 4373-3PK-CAMO-ARCTIC-B , MPN: 4373-3PK-CAMO-ARCTIC-(B) , UPC: 874748008730 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-ARCTIC-B
Ergo 18-Slot Ladder Low-Pro Rail Cover, 3-Pack, Cobalt Camo, 4373-3PK-CAMO-COBALT-B , MPN: 4373-3PK-CAMO-COBALT-(B) , UPC: 874748008747 , Code: 3E-RT-LWPRCVR-4373-3PK-CAMO-COBALT-B

Proposition 65 Warning for California Consumers

For more information go to www.p65warnings.ca.gov

Notification

WARNING: This product can expose you to chemicals including Lead, Cadmium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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