20″ 1-8 1/2 Fractional Twist Fluted Bull Barrel™ Complete Upper Barrel Receiver Assembly
$519.95
20″ 1-8 1/2 Fractional Twist Fluted Bull Barrel™ Complete Upper Barrel Receiver Assembly
This 20″ 1-8 1/2 Fractional Twist Fluted Bull Barrel™ complete upper receiver assembly is the perfect choice for precision shooting with a wide variety of ammunition. The heavy barrel profile provides adds strength for stability, reducing recoil and increasing accuracy. The barrel is made of high-quality stainless steel, providing durability and longevity. The 1-8 1/2 twist rate is suitable for stabilizing a wide variety of projectiles. This is an excellent option for shooters who want a fluted bull barrel with precision shooting in mind.
Starts with our 20″, .223 caliber fluted bull barrel made from 416 SST with a 1-8 1/2 fractional twist mated to our A3 Flattop receiver which includes our bolt carrier, charging handle, forward assist and ejection port cover. The upper is then topped off with our lo-profile gas system and our ergonomic 15″ Palm Handguard® with KeyMod or M-LOK® slots and a Picatinny top-rail.
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Description
20″ 1-8 1/2 Fractional Twist Fluted Bull Barrel™ Complete Upper Barrel Receiver Assembly
This 20″ 1-8 1/2 Fractional Twist Fluted Bull Barrel™ complete upper receiver assembly is the perfect choice for precision shooting with a wide variety of ammunition. The fluted bull barrel profile provides adds strength for stability, reducing recoil and increasing accuracy. The barrel is made of high-quality stainless steel, providing durability and longevity. The 1-8 1/2 twist rate is suitable for stabilizing a wide variety of projectiles. This is an excellent option for shooters who want a fluted bull barrel with precision shooting in mind.
Starts with our 20″, .223 caliber fluted bull barrel made from 416 SST with a 1-8 1/2 fractional twist mated to our A3 Flattop receiver which includes our bolt carrier, charging handle, forward assist and ejection port cover. The upper is then topped off with our lo-profile gas system and our ergonomic 15″ Palm Handguard® with KeyMod or M-LOK® slots and a Picatinny top-rail.
- Length: 20″
- Fluted Bull Barrel 416 SST
- Threaded Barrel — Thread Pitch 1/2 x 28
- Gas Block Diameter .936
- Gas Port Diameter: .097″ – .098″
- 1-8 1/2 RH fractional Twist
- 6 Lands and Grooves
- M4 Feed Ramp
- Button Broached
Includes:
- HG-V-15K – Palm Handguard® – Vented 15″ KeyMod or M-LOK® Slots with Barrel Nut
- BL-B20FT-85 – 20″ 1-8 1/2 Fractional Twist Fluted Bull Barrel™, Threaded 416 SST
- FTT-EA1 – A3 Upper Receiver Assembled
- BC-A-223 – Fully Assembled Bolt Carrier – .223
- BL-04 – Rifle Length Gas Tube
- GB-LP936 – Gas Block .936
- 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:
- 20″ 1-8 1/2 Fractional Twist Fluted Bull Barrel™
- 1-8 1/2 Fractional RH Barrel Twist
- .223 Rem
- 416 SS
- Threaded Barrel — Thread Pitch 1/2 x 28
- Gas Block Diameter .936
- Gas Tube Length — Rifle
- 6 Lands and Groves
- M4 Feed Ramp
- Button Broached
SKU: FTBL-B20-85 Keymod
SKU: FTBL-B20-85-M MLOK®
Additional information
| Application | AR15 |
|---|---|
| Caliber | .223 Rem |
| Material | Stainless Steel |
| Threaded | Yes |
| Thread Pitch | 1/2 x 28 |
| Twist | 1-8 1/2 |
| Lands and Grooves | 6 |
| Gas Block Required | .936 Diameter |
| Gas Tube Required | Rifle Length |
| Slot Style | KeyMod, MLOK™ |
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