Perfect for building your custom Mk4 upper receiver chambered in 350 Legend. Comes with properly installed M4 barrel extension and is already properly headspaced. Made of 4140 chrome steel with a SBN finish.
Product Information
| Cartridge | 350 Legend |
| Finish | Salt Bath Nitride |
| Material | 4140 Chrome Moly Steel |
| Length | 16.1 Inches |
| Weight | 1.5625 Pound |
| Twist | 1:16 |
| Threads | 1/2″-28 |
| Barrel Contour | Medium |
| Chrome Lined | No |
| Gas Block Diameter | 0.75 Inches |
| Gas System Length | Carbine |
| Country of Origin | United States of America |
| Compatible With |
AR-15
|
Delivery Information
| Shipping Weight | 1.710 Pounds |
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