Griffin Armament Low-Pro-Rigid rails are a slim, low profile, ultralight, yet rigid M-Lok rail. Design objectives of this rail were to provide a slim, ultralight rail, with increased rigidity over similar weight and profile current market options. A custom extrusion provides significant internal reinforcement to reduce flex when gripping the carbine firmly in the shoulder pocket. Understanding the importance of low light targeting, these reinforcements provide rigid mounting for IR laser aimers ensuring minimal POI shift when torque is applied to fore-grip type accessories, or when loads are applied to the rail (shooting off barricades, loaded bipods etc). Internal testing showed 70% less POI shift with laser aimers versus competing “slim rails”. Carefully positioned slots in the rail allow for rapid cooling when running the carbine fast while maintaining rigidity. The Low-Pro-Rigid rail features a close tolerance, heavy-duty, 17-4 stainless steel H900 heat treated barrel nut, which can be installed with the included Griffin GI Armorers Wrench. The rail is very user friendly to install. The slip fitted clamp design doesn’t requiring any shims or special timing methods. The clamp boss in the rear section of the rail is low profile and ergonomically pleasing for relaxed posture carry at static positions. Flat head T15 torx screws should be tightened to 25/in pounds. The barrel nut should be tightened to ~55ft/lbs. M-Lok slots at the 3, 6, and 9 o’clock positions allow for mounting of your favorite M-Lok accessories. Specifications for Griffin Armament Low Pro Rigid M-Lok Rail: Manufacturer: Griffin Armament Color: Black Finish: Nitride Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Attachment Type: Picatinny Gun Rail: M-LOK Weight: 5.9 oz Condition: New Included Accessories: Standard Inner Diameter: 1.35 in Height: 2 in Mount Type: Picatinny Width: 1.54 in Gas System: Direct Impingement Length: 7.5 in Quantity: 1 Features of Griffin Armament Low Pro Rigid M-LOK Rail Internal ribs provide increased strength-to-weight ratio Heavy Duty, 17-4 Stainless Steel H900 heat treated barrel nut Custom extrusion designed for pleasing ergonomics Heavy Duty Griffin Armorers wrench/multi tool Package Contents: Griffin Armament Low Pro Rigid M-LOK Rail Mounting hardware Thread locker
2 reviews for Griffin Armament Low Pro Rigid M-Lok Rail
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Pat –
Ordered this product knowing they were a newer company but heard they build high quality stuff, that's what I like. Ordered it took a while to receive during covid season but now that I have it I would have waited twice as long to receiver it before thinking about alternatives. Packaged in thick plastic helped that there were NO scratches dings of sorts and it was very low profile. Bought the 10.5 handrail for a backpack gun and it's awsome, super lightweight and the finish is spectacular. Fit my Daniel defense 11.5 chrome lined medium weight barrel snug and the gas block fit although they provide a griffin one. Hand guards that come with it leave your wrist a little cocked but they are spaced out great to still let airflow to barrel to cool off. I put the surefire warcomp on and the for is perfect. Only advice is to mount it all up before you order warcomp because based on upper it may not fit because it is bigger than the inner diameter of the hand rail. After using the spacers that came with it the fit ment was beautiful. Couldn't have asked for more. Buying this handrail from here on out for next builds.
VA Trav –
My 3rd low profile rail so far with the integral ribs inside it’s as tough and stiff as anything out there yet still smaller diameter and lighter weight. Win. Win. As tough and sturdy as a Geissele with no shift or lost of laser zero. At the same time weighing much less. Rounded edges and corners greatly improve ergonomics and comfort