The AR-STONER AR-15 Side Charging Upper Receiver Assembly 223 Remington (Wylde) 18″ Barrel with 15″ M-Lok Handguard has an 18″ Spiral Fluted barrel with a Heavy Barrel profile, made of 4150 CMV steel with a parkerized finish, and features a 1:8 Twist Rate and a mid length gas system. The Upper includes a 15 1/4″ MLOK gen 3 rail, an M4 flat-top forged upper receiver, a bolt carrier group, and a right charging handle. It is chambered in .223 Wylde and machined with M4 feed ramps in the barrel extension.
Product Information
| Cartridge | 223 Wylde |
| Color | Black |
| Finish | Anodized |
| Material | Aluminum |
| Weight | 4 Pound |
| Barrel Length | 18 Inches |
| Twist | 1:8 Inches |
| Threads | 1/2″-28 |
| Barrel Contour | Heavy |
| Barrel Finish | Parkerized |
| Chrome Lined | No |
| Gas Block Diameter | 0.75 Inches |
| Gas System Length | Mid-Length |
| M4 Feed Ramps | Yes |
| Upper Receiver Type | Side Charging |
| Barrel Material | 4150 Chrome Moly Vanadium Steel |
| Handguard | 15″ M-LOK Ultralight |
| Bolt Carrier Assembly Included | Yes |
| Muzzle Device | Flash Hider |
| Mil-Spec or Commercial | Mil-Spec |
| Country of Origin | United States of America |
| Compatible With |
AR-15
|
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