Jun 1st 2025
M-LOK Sling Rail Mount Installation & Overview
BCM Low Profile Push Button QD Mount - M-LOK
Always Better® | February 4th, 2025
In the video, Chris Sizelove introduces the BCM Low-Profile Push Button QD Mount for M-LOK, highlighting its compact design, ease of installation, and other features like its ability to prevent sling twisting during use. Sizelove also walks through the installation process and recommends best practices like marking and applying "witness marks" for testing and observing a secure mount.
Manufactured by BCM, the BCM Low-Profile Push Button QD Mount for M-LOK rails is a product that perfectly complements any of our slings that have push buttons. Whether you're using a 1-inch or 1.25-inch push button sling with an M-LOK railed rifle, this Push Button QD Mount provides a simple and low-profile attachment point for your sling.
The BCM mounts are anti-rotational, a small detail that’s absolutely critical for real-world performance. Too many manufacturers produce QD holes and mounts without proper scallops cut into them, which means your push button can spin freely inside the mount.
Why does this matter? As you transition between carry positions – front to rear, low carry to high ready – a rotational QD mount will spin your sling connection. Over time, this creates twist in your sling webbing that makes adjustment difficult or impossible. When this happens, you lose functionality when you need it most.
Quality buttstock manufacturers embed anti-rotational QD mounts with internal scallops for the same reason. The BCM mounts deliver this same non-rotational reliability for your rail-mounted connection points.
These mounts are also remarkably unobtrusive. Their small footprint means you can mount multiple units on the same rail without adding significant bulk or weight. Want a QD point at the front of your rail for standard operation? Great. Need another toward the rear for vehicle work or specific shooting positions? The low-profile design makes this entirely practical.
This flexibility becomes invaluable when you consider different mission requirements. Barricade work, vehicle operations, and various shooting positions may all benefit from different sling attachment points. With these mounts, you can adapt your setup without compromise.
Simple Installation
Installation is straightforward. The mount comes with the necessary Allen wrench, and the process is simple:
- Clean off the cosmoline
- Align the two locking feet with your M-LOK slots
- Slide the mount into position and apply rearward tension
- Use the included Allen wrench to tighten down
Pro tip: You may need to use a small tool through the slot to prevent one foot from rotating during installation. Once you get some initial tension, it'll tighten down without issue.
Don't forget to witness mark the mounting bolt with a fine-tip paint marker. This gives you a quick visual reference during post-range inspections to ensure nothing is backing out. Consider using Loctite as well – rifles generate significant vibration during use.
The Bottom Line
The BCM Low-Profile QD Mount for M-LOK represents exactly the kind of quality component that belongs in a serious rifle setup. It solves real problems, maintains a low-profile, and provides the flexibility to adapt your sling configuration to different mission requirements.
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About Blue Force Gear®
BFG, headquartered in Pooler, Georgia, has been a trusted name in professional-grade gear and accessories for two decades. Their commitment to excellence, innovative designs, and use of premium materials have made them a favorite among military, law enforcement, and recreational shooters worldwide.
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