Description
Razor · SKU 22LR-5P-16-M4-NM · 4.5? .22 LR · 1:16 nitride
4.5? .22 LR. 1:16. Dedicated conversion barrel.
RAZOR 4.5? .22 LR, 1:16 twist, 4150 CMV, black nitride, 1/2-28. 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. Built for a dedicated .22 LR conversion — not a 5.56 chamber.
Dedicated .22 LR chamber
This is not a 5.56 barrel. Pair with a .22 LR conversion BCG and magazine.
Product Overview
Dedicated .22 LR
Chamber and twist are cut for .22 Long Rifle. Keeps lead out of a 5.56 bore and holds the conversion accurate.
1:16 twist
Standard .22 LR rifling. Threaded 1/2-28. M4 extension.
In-house QC
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.
PDW length
4.5? is as short as this line goes.
Specifications
| Component | Specification |
|---|---|
| SKU | 22LR-5P-16-M4-NM |
| Platform | AR-15 conversion |
| Length | 4.5? |
| Material | 4150 CMV Mil-B-11595E |
| Finish | Black nitride |
| Chamber | .22 LR |
| Twist | 1:16 right-hand |
| Muzzle thread | 1/2-28 |
| Barrel extension | M4, torqued after nitride |
| Origin | 100% USA made |
Dedicated .22 LR only. Listing did not publish weight or gas-system length. NFA rules apply under 16?.










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