Buying a complete firearm or lower from Binarytriggerusa® is easy, safe, and legal. Federal law requires all firearms be shipped to a licensed dealer.
Once you have placed your order, please have your FFL dealer email us a copy of their license, include your name, and the order number you received.
Orders cannot be processed until we receive an FFL for your order, the posted lead time will begin once your dealer’s FFL is received.
| Barrel Length + Type | 16″ M4 Contour |
| Handguard/Upper | 15″ FSR™ |
| Sights | Magpul MBUS |
| Twist | 1:7 RH |
| Charging Handle | Standard |
| Bolt Carrier | Salt Bath Nitride |
| Lower | Libertas® |
| Trigger | BFSIII® |
| Gas System | Midlength |
| Gas System | Low Profile |
| Muzzle Device | Triumvir™ |
| Color | Black |
| Stock | Magpul CTR |
| Grip | Ergo Ambi Sure |
| Features | Bilateral Push Button QD Mounts |
| Calibers | 5.56 NATO |
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