Bravo Company Gas Block, Low Profile, .625 Barrel, Black
Original price was: $50.00.$44.95Current price is: $44.95.
Bravo Company Low Profile Gas Block, .625″, Black. Phosphate finished machine steel. Barrel ID honed after finish per USGI TDP. Set screw mount. For AR-15, M16, M4, and M4A1.
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The Bravo Company Low Profile Gas Block is a .625 diameter set screw gas block made from phosphate finished machine steel, built for AR-15, M16, M4, and M4A1 pattern rifles. BCM hones the barrel bore after the phosphate finish goes on per USGI TDP specs, and because of this, you get a precise, consistent bore diameter that fits your barrel journal tightly without needing extra fitting work. As a result, the BCM low profile gas block drops onto a .625 barrel journal and seats the way a mil-spec part should.
In addition, the set screw mounting system locks the block to the barrel with a secure, repeatable hold that works well for most AR builds at this bore size. Furthermore, the phosphate finish adds a layer of rust resistance and gives the block a matte black look that holds up through heat and use. Moreover, BCM builds this gas block to the same standards they apply to their complete rifles, so the fit and finish match what you would expect from a duty-grade component. The low profile shape clears free-float handguards and lets you run a rifle-length forearm on your carbine-length barrel without clearance problems. When you want a BCM-quality low profile gas block for a .625 barrel build, this one fits the job.
However, this gas block only fits barrels with a .625 gas block journal diameter. Therefore, check your barrel specs before you order the Bravo Company Low Profile Gas Block to confirm the correct bore size for your build.
Bravo Company Low Profile Gas Block Key Features
- Low profile set screw gas block for .625 barrel journals
- For use on AR-15, M16, M4, and M4A1 pattern rifles
- Barrel ID honed after finish per USGI TDP specs
- Phosphate finished machine steel
- Set screw mounting
- Color: Black
Specifications
| UPC | 855877004121 |
|---|---|
| Manufacturer | Bravo Company |
| Manufacturer Part # | BCM-LGB-625 |
| Type | Gas Block |
| Description | .625″ |
| Material | Phosphate Finished Machine Steel |
| Diameter | .625″ |
| Mount | Set Screw |
| Fit | AR-15, M16, M4, M4A1 |
| Color | Black |
| Subcategory | Long Gun Parts |
| Type | Gas Block |
|---|---|
| Model | Low Profile Gas Block |
| Diameter | .625" |
| Material | Phosphate Finished Machine Steel |
| Fit | AR-15, M16, M4, M4A1 |
| Color | Black |
| Brand |
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Frequently Asked Questions
What barrel journal diameter does this gas block fit?
This gas block fits barrels with a .625-inch diameter gas block seat, found on lightweight pencil-profile and thinner carbine-profile AR-15 barrels. Measure your barrel’s gas journal diameter before ordering.
How does this low-profile gas block attach to the barrel?
The BCM low-profile gas block uses set screws for barrel attachment. Properly dimpled barrels provide the best holding power. Apply blue thread-locking compound to the set screws and torque to spec during installation.
Is a low-profile gas block required for a free-float handguard?
Yes. Free-float handguards require a low-profile gas block to clear the handguard’s inner diameter. A standard-height gas block with a front sight tower will not fit under most free-float handguard designs.
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