Description
If you want dependable, precisely machined gear, the Seekins 3.3 Inch ARCA M-LOK Rail is an easy choice. This ARCA rail fits M-LOK handguards, forends and chassis and carries the same attention to detail Seekins puts into its rifles.
Seekins 3.3 Inch ARCA M-LOK Rail Specifications
| Brand | Seekins Precision |
|---|---|
| Product type | ARCA Rail |
| Fits | M-LOK handguards, forends and chassis |
| Material | Aluminum |
| Finish | Black |
| Mfr. part # | 0010560093 |
| UPC | 811452022621 |

Why Choose the Seekins 3.3 Inch ARCA M-LOK Rail?
An ARCA-Swiss rail turns your M-LOK handguard or forend into a tripod-ready platform. Clamp the rifle directly into an ARCA head for rock-solid support on barricades, in the field or at the bench, and slide it fore and aft to find perfect balance. Many shooters also mount their bipod to an ARCA rail so they can adjust its position without tools.
Seekins machines its ARCA rails from aluminum with a clean, precise dovetail profile that locks tightly into standard ARCA clamps. Low-profile M-LOK hardware keeps the rail tight to the handguard without adding bulk.
Installation Tips
Position the rail where you want it, insert the M-LOK T-nuts, turn them 90 degrees to lock, and tighten the screws evenly. A small drop of thread locker helps keep everything tight under recoil.
How to Choose the Right ARCA Rail
When choosing a rail or M-LOK accessory, think about what you will attach and where your hand naturally falls on the forend. Longer ARCA rails give you more room to balance the rifle on a tripod and move a bipod fore and aft, while short sections save weight on hunting rifles. Make sure your handguard or chassis uses M-LOK slots and leave room for a sling stud or light. Quality machining matters here too, because a loose rail can shift your bipod or tripod position between shots.
Built by Seekins Precision
Founded by shooters, Seekins Precision builds rifles and components in Lewiston, Idaho, using modern CNC machining and strict quality control. Their accessories are designed alongside their rifles, so they fit precisely and hold up to hard use in the field and at the range.
Why Buy from Tombstone Tactical?
Tombstone Tactical is a Seekins-focused shop, which means we know these products well and can help you pick the right part the first time. We keep pricing fair, pack every order carefully and answer questions quickly. Whether you are building a new long-range rifle or upgrading the one you already own, we want you to be happy with every piece of gear you buy from us.
Care and Maintenance
Taking care of your gear keeps it working for years. Wipe parts down after rain or dusty hunts, check screw torque at the start of each season and after any hard impact, and store your rifle and accessories in a dry place. A light coat of oil on steel parts prevents rust, while anodized aluminum only needs a quick clean.
Pairs Well With
Complete your build with matching gear from Seekins. Browse our Seekins rifles, explore more M-LOK and ARCA rails, or see our full Seekins accessories collection.
Shipping and Support
This item ships directly to your door with no FFL required. Orders are packed carefully and shipped quickly, and our team is happy to answer fitment questions before you buy. Please check your state and local laws for any restrictions that may apply. Learn more about Seekins products on the official Seekins Precision website.
Seekins 3.3 Inch ARCA M-LOK Rail FAQ
Will the Seekins 3.3 Inch ARCA M-LOK Rail fit my rifle?
It is designed for M-LOK handguards, forends and chassis. If you are not sure, send us your rifle model and we will confirm fitment before you order.
Is this made in the USA?
Yes. Seekins Precision designs and manufactures its products in Lewiston, Idaho.
Do I need special tools?
No. A standard hex key is all you need to install an M-LOK ARCA rail.
Order the Seekins 3.3 Inch ARCA M-LOK Rail today from Tombstone Tactical for secure checkout and fast shipping. Not sure it is the right part for your rifle? Ask our team and we will check compatibility for you, usually the same business day.





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