SPIKE'S 556NATO M4 LE UPPER W/RAIL
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Product Overview
Spike's Tactical Complete Upper Receiver, 223 Rem/556 NATO, 16" Chrome Lined Barrel, 1:7 Twist, Fits AR Rifles, Flat Top Receiver, Quad Rail Handguard, Black Finish STU5025-R9S
Specifications
| Type | Complete Gas Impingement |
| Caliber | 223 Remington/5.56 NATO |
| Sights | None, Optic Ready |
| Barrel Length | 16" |
| Barrel Material | |
| Twist | 1:7" |
| Barrel Description | M4 Profile |
| Barrel Finish | Black |
| Receiver Description | |
| Receiver Finish | Black |
| Handguards | Quad Rail |
| Handguard Finish | Black |
| Barrel Length Range | 16.00" to 17.99" |