Description
Razor · SKU 300-5P-17-M4-NM · 5? .300 BLK micro · nitride
5? .300 Blackout. Micro gas. 5/8-24.
RAZOR 5? micro-length gas, 1:7, .300 Blackout, 4150 CMV, black nitride. Produced in house in Florida from raw bar stock: drill, ream, rifle, contour, and assemble on a fully automated, robotic-driven line. Stress-relieved after rifling. Quality control holds every bore inside its individual tolerance. 100% USA made. Thread 5/8-24. Journal .750?.
5/8-24 · micro gas · not a 5.56 tube
Micro gas needs a micro / custom-length gas tube. Muzzle is 5/8-24. Chamber is .300 Blackout. 5? is pistol or SBR length.
Product Overview
Bar stock to finished tube
Produced in house in Florida from raw bar stock: drill, ream, rifle, contour, and assemble on a fully automated, robotic-driven line. Stress-relieved after rifling. Quality control holds every bore inside its individual tolerance. 100% USA made.
4150 CMV + nitride
4150 chrome-moly vanadium under a black nitride surface. Nitride hardens and protects the bore and exterior without a chrome lining. Not a CHF chrome-lined duty tube.
Gas system is this SKU
.300 Blackout chamber, 5/8-24 muzzle, micro gas. Pair with GT-Micro, not a pistol 5.56 tube.
In-house QC
5? micro. Journal .750?. M4 extension. Extensions torqued after nitride.
Specifications
| Component | Specification |
|---|---|
| SKU | 300-5P-17-M4-NM |
| Platform | AR-15 |
| Length | 5? |
| Material | 4150 CMV Mil-B-11595E |
| Finish | Black nitride |
| Chamber | .300 Blackout |
| Gas system | Micro |
| Gas block journal | .750? |
| Twist | 1:7 right-hand |
| Muzzle thread | 5/8-24 |
| Barrel extension | M4, torqued after nitride |
| Origin | 100% USA made |
NFA rules apply under 16?. Requires a micro gas tube. Listing did not publish weight or port diameter.










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