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If you're building or upgrading an AR-15 and want a gas block that disappears under your handguard, the WMD Guns NIB-X Low Profile Gas Block fits the bill. It carries a .750 inside diameter to match standard-profile barrels and comes coated inside and out with WMD's proprietary NiB-X nickel boron finish. That coating gives you a harder-than-chrome surface with excellent lubricity and heat and corrosion resistance, which matters a lot on a part that lives right on top of your gas port and takes serious heat every time you pull the trigger.
NiB-X is WMD's own take on nickel boron plating, and they apply it to a wide range of AR components for good reason. The finish helps extend the life of high-pressure, high-heat parts, and the slick surface sheds carbon and fouling instead of baking it on. On a gas block, that means less scrubbing when it comes time to clean and a part that holds up round after round. The bright nickel look is a nice bonus if you're going for a color-accented build.
This is a slim, sculpted set-screw block designed to slide neatly beneath a free-float rail system. It ships with the set screws needed for mounting and works with both dimpled and non-dimpled barrels. If your barrel isn't dimpled, plenty of folks run set-screw blocks with quality thread locker and proper alignment over the gas port. Dimpling the barrel directly across from the gas port adds extra insurance against the block shifting, and it's a common one-time step for a rock-solid setup. Either way, take your time lining up the gas passage, snug the screws down with a good thread locker, and you're set for the long haul.
It has a .750 inch inside diameter, which is the standard profile size for most AR-15 barrels. Measure the journal where your gas block sits before ordering to confirm you have a .750 barrel and not a larger .875 profile. As long as it measures .750, this block will slide right on.
No, the WMD low profile gas block is compatible with both dimpled and non-dimpled barrels. Many builders run set-screw blocks without a dimple by aligning it over the gas port and locking the screws down with a high-strength thread locker. Dimpling directly across from the gas port is optional but adds extra security against the block twisting or sliding out of position.
NiB-X is WMD's proprietary nickel boron finish applied inside and out. It creates a harder-than-chrome surface with excellent lubricity and strong resistance to heat and corrosion. On a part that sits right at the gas port and gets blasted with heat every shot, that coating helps extend service life and makes carbon and fouling much easier to wipe away.
Yes, that is exactly what it is built for. The slim, sculpted low profile design is meant to tuck neatly beneath a free-float rail system. Just make sure the inner diameter of your specific handguard clears a standard low profile block, since a few ultra-tight rails have their own quirks.
| UPC | 855899003294 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 1-NIBXGB |
| Color | Nickel |
| Product Type | Part |
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