This has been the issue with several of the QD cup sling mounts I have seen in regards to improper installation. This causes an issue with your accessory not locking in correctly and having the ability to slide loose. If is in backwards like the photo below it causes a slight space between the edge of the shoe and the end of the KeyMod slot, which you can see in the next photo. There should be no gap or space between these pieces. This allows for the backer nut, which I am going to refer to as the shoe because that is exactly what it looks like, to slide in then forward as far as possible so that the shoe rests in the machined slot that it is made to fit into. The photo below shows the proper orientation for the backer nut in relation to the KeyMod slot. KeyMod is obviously a larger hole that is connected to a smaller, longer slot with a half circle on the muzzle end. Please do not think that because I am doing a write up that KeyMod is complicated, because it is not, in fact it is probably simple enough that some folks are over thinking it. so I thought I would throw together a write up with some photos. Made in the USA.Alright folks, while bouncing around the forums I have seen a lot of people who either were against KeyMod, didn't understand it or loved it but were having issues attaching accessories. BCM® KeyMod™ screws are covered under US Patent 9377274. Requires a T15 Torx and 5/64" Allen wrench for installation (not included). Includes necessary screws to attach light body to mount. The mount is CNC machined from 6061 aluminum and type III hard coat anodized.
HOW TO INSTALL KEYMOD ACCESSORIES SERIES
M620 series lights can also be used with the Offset Scout Mount with the addition of the Arisaka Offset M620 Adapter. When used with the Arisaka 300 Series Light Body or 600 Series Light Body, even more clearance can be gained for larger front sights.Īs shown in the pictures, the Offset Scout Mount fits the Noveske NSR perfectly, and should be compatible with most KeyMod™ handguards like the BCM® KMR, KAC URX4, Geissele SMR MK4/5 KeyMod™, Mega MKM, Midwest Industries SSK, and Daniel Defense SLiM.Ĭompatible with SureFire® M300A, M300B, M300C, M600B, M600C, M600P, M600U, M600V, M600DF, Streamlight Protac Rail Mount 1, 2 and HL-X, and Arisaka 300 and 600 Series. Three positions are provided, spanning approximately 0.240". The Offset Scout Mount also provides three lateral mounting positions for the light body, which allows the user to position the light closer or farther away from the top rail, front sights, or other accessories.
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Oriented downwards, the light is located at approximately the 4:30 or 6:30 clock positions. Oriented upwards, the light is located at approximately the 1:30 or 10:30 clock positions. When used on the side mounting surfaces of a KeyMod™ handguard, the Offset Scout Mount places the light at a 45 degree angle and tucks it in closer to the handguard. The Offset Scout Mount uses BCM's patent pending inverted screws, which allows it to be less than 0.20" thick. It replaces the stock Picatinny rail adapter with a low profile mount for KeyMod™ handguards.
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The Arisaka Offset Scout Mount is designed specifically for the SureFire® Scout Light M600 and M300 series weapon lights, the Arisaka 300 and 600 Series Lights, and the Streamlight Protac Rail Mount 1, 2 and HL-X.