This full build kit provides all components needed to complete a 350 Legend AR-15 build except the lower receiver. It includes a 16 inch M4 profile barrel, 15 inch freefloat quad rail handguard, complete bolt carrier group with nitride finish, charging handle, buffer system, lower parts kit, and SOPMOD style collapsible stock. The upper receiver is forged 7075-T6 aluminum with anodized finish and M4 feed ramps. The barrel is 4150 Chrome Moly Vanadium with phosphate finish and 1 in 16 twist rate.
This kit includes the upper assembly, bolt carrier group, charging handle, buffer tube assembly with buffer and spring, lower parts kit, and stock. All components required to complete an AR-15 rifle build are provided except the lower receiver.
The 16 inch M4 profile barrel is chambered in 350 Legend with a 1 in 16 twist rate for optimal projectile stabilization with this caliber. The 4150 Chrome Moly Vanadium construction with phosphate finish provides durability and longevity. The micro low profile gas block sits under the handguard for a clean profile.
The SOPMOD style collapsible stock features integrated storage compartments for batteries or small accessories. The stock provides multiple length of pull positions for adaptable shooting. The stock is paired with a complete buffer system including buffer tube, buffer, recoil spring, and necessary hardware.
The 15 inch freefloat quad rail handguard allows for accessory customization with Picatinny rails on all four sides. The 6061-T6 aluminum construction provides extensive attachment capability. The freefloat design isolates the barrel from handguard contact for precision performance.
Lower receiver not included. Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.
Caliber: .350 Legend
Barrel: "Balmung" AR-15 16" .350 Legend Barrel
Barrel Length: 16-inch
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Phosphate
Barrel Profile: M4
Barrel Twist Rate: 1:16
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Carbine
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard: 15" Free Float Quad Rail for AR-15
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Quad-Rail
Gas Block Size: 0.75
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Muzzle Device: AR-15/AR-10 .308 5/8x24 TPI GI Birdcage Flash Hider for .308 7.62x39 .300 Blackout
Muzzle Thread Pitch: 5/8x24
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Rifle Stock: SOPMOD Style Collapsible Stock with Storage Compartments, Integrated QD Mounts, Black
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