DDM4® Rail/SLiM Rail®/AR15 LITE Rail™ III/MFR/MFR XL Screw Pack

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The DDM4 Rail/SLiM Rail/LITE III/MFR/MFR XL Screw Pack includes the replacement screws to install a DDM4 Rail, SLiM Rail, AR15 LITE Rail III, MFR or MFR XL handguard.  These screws are included with the purchase of a complete rail system and will only be necessary if you damaged or misplaced your original parts.

Included in DDM4 Rail/SLiM Rail/LITE Rail III Rail Screw Pack:

  • 4x Socket Head Cap Screws

Not Included but needed to install:

  • M3/3mm Allen Wrench

Not compatible with earlier model Modular Float Rails or RIS II Rail Systems.


More Information
Product Weight0.4 oz
ManufacturerDaniel Defense
Daniel Defense Satisfaction Guarantee
Guaranteed Satisfaction

All Daniel Defense products carry a 100% satisfaction guarantee against defects in original materials and workmanship. If your Daniel Defense product shows evidence of such defects, Daniel Defense will make every accommodation to fix, repair, or replace your product in the most expeditious manner possible. Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer's products.

Customer Reviews
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  1. Good Little Bolts
    The older, dome headed screws that came with my mk12 upper used the 2.5mm L key. They were pretty easy to strip due to being made of what seemed to be softer metal. The ones I received use a 3mm L key. The part where the L key interfaces with the bolt has yet to show any wear. I would suggest using a high quality brand a L keys. KC tool has a wide variety of German tools that will last a life time. These bolts are an upgrade from the older dome headed style they used to use.

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  2. Better than original screw
    Stripped 2 of the screws on my MFR mlok rail so I ordered these. The screws I received were not like the ones pictured. They were more flat and required a larger Allen wrench which I was fine with since that means you could torque it a little bit more. They fit just like the original screws. Very thankful for these upgraded screws

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