Includes:
- HG-V-15K – Palm Handguard® – Vented 15″ KeyMod with Barrel Nut
- BAA3-L16 – 16″ Light Weight Barrel
- FTT-EA1 – A3 Upper Receiver Assembled
- BC-A-223 – Fully Assembled Bolt Carrier – .223
- BL-04A – Carbine Gas Tube
- GB-LP750 – Gas Block .750
- UR-19 — Charging Handle
- BL-06-A2 — A2 Flash Hider

Upper Specs:
- 7075-T6 Forging
- Hard coat anodize Black

Bolt Specs:
- Bolt: Carpenter 158 steel
- Extractor: 4140 Alloy steel
- Army Spec Heat Treatment
- Manganese Phosphate

Bolt Carrier Specs:
- Carrier: 8620 steel
- Cam pin: 4340 Alloy steel
- Carrier key: 4130 Alloy steel
- Army Spec Heat Treatment
- Manganese Phosphate

Barrel Specs: Lightweight 16″ Barrel
- 5.56 mm
- 4140 Chrome Moly
- Threaded Barrel — Thread Pitch 1/2 x 28
- Gas Block Diameter .750
- Gas Tube Length — Carbine
- Gas Tube Material: 304 SST per Army Spec
- 1-9 RH Barrel Twist
- 6 Lands and Groves
- M4 Feed Ramp
- Button Broached

Build a Complete 16″ Lightweight 5.56 mm Barrel, AR Carbine Kit.

This kit contains everything you need to build your own AR except the stripped lower receiver.

The Kit Contains:
- Fully assembled 16″ Lightweight 5.56 mm Upper with 15″ Keymod Palm Handguard®
- MBA-3 Adjustable Carbine Buttstock Assembly
- Complete Lower Parts Kit

This Kit does not come with the lower receiver.

SKU: RKL-16-3

Build a Complete 16″ .223 Rem Fluted Bull Barrel, AR Carbine Kit.

This kit contains everything you need to build your own AR except the stripped lower receiver.

The Kit Contains:
- Fully assembled 16″ .223 Rem Fluted Bull Barrel Upper with 15″ Keymod Palm Handguard®
- MBA-3 Adjustable Carbine Buttstock Assembly
- Complete Lower Parts Kit

This Kit does not come with the lower receiver.

SKU: RKB-16-3

High quality components and precise manufacturing make FN Upper Receivers ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will ensure years of service you can count on.

- 20" Step Cut Barrel
- 223 Rem/556NATO