The MK18 is the latest in the line of Geissele Super Modular rails and is specifically made to interface with the Arca-Swiss Quick Release System. This new handguard is based on the MK16 M-LOK Super Modular Rail, offering a small diameter and overall height creating a slim profile for competition shooters. The flat base of the MK18 features an “Arca-Style” 35mm wide form with a 45 degree dovetail, that allows quick mounting to an Arca-Swiss Quick Release mounting base, sliding into any position along the rail. The MK18 features Geisseles proprietary 2.25in long barrel nut that interfaces with the receiver and creates a platform that can be trusted to be straight and true the entire length of the free float rail. The 16in long MK18 is 3D precision machined using 6061-T6 Aluminum due to its strong, rigid and lightweight properties. Utilizing Magpuls M-LOK technology at the major 3 quadrants (left, right and bottom), as well as the upper 45’s gives the MK18 unprecedented modularity and ability to be customized. The MK18 Super Modular rail is finished in a durable and long lasting Type 3 Hardcoat Anodize available in either Black or Geisseles DDC finish. The Geissele Super Modular Rail MK18 is compatible with AR15 pattern rifles. Specifications for Geissele 16in Super Modular Rail MK18, M-Lok, Arca-Swiss: Manufacturer: Geissele Finish: Type 3 Hard Coat Anodized Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Handguard Length: 16 in Gun Rail: M-LOK Condition: New Included Accessories: Standard Country of Origin: USA Quantity: 1 Package Contents: Geissele 16in Super Modular Rail MK18, M-Lok, Arca-Swiss
3 reviews for Geissele 16in Super Modular Rail MK18, M-Lok, Arca-Swiss
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Elkcoholic –
Was little concerned how the arca Swiss milling would feel in hand. I am very happy now that I have it together. Feels great in hand. The arca Swiss is super easy and fast to attach. The bipod I have literally goes anywhere I want on the hand guard. AWSOME great success.!!
JR –
Grabbed this for a 'modern' approach to a Mk12 – imagine if there was a Mk12 Mod 3 – because of the integrated ARCA and frankly the longer length at 16.5 inches. The ARCA is chamfered probably so there are not any sharp edges and all and you can get a comfortable "c clamp" if you shoot that way. There is integrate M-LOK on the bottom so you can still run your AFGs or handstops while being able to quickly adjust your ARCA bipods and get on tripods. Another cook feature not advertised is that the front and rear sections are threaded for 8-32 set screws like the Magpul ARCA sections to provide index points for your bipod or tripod. Glad Geiselle brought back the steel insert into the QD slots, they also have an interesting doubled up MLOk at the 3 and 9 positions. It would be a tight fit but you could seemingly put a KIJI and Modlite or similar on the same side, hang levels and MFALs nearly anywhere to be ergonomic. And at 18ish ounces with the barrel nut this isn't a super heavy rail for its length. Highly recommend this!
P.Santos –
These are the best Arca Handguards out right now. They have the holes in the bottom for the arcalock mounts like the RRS and there is no POI shift from different positions. I had to cut mine down to 13.5” for my 14.5” barrel and that is the only negative because they only sell the 16.5” length.