20″ 1-8 1/2 Fractional Twist Heavy Barrel™ Complete Upper Barrel Assembly

Description

20″ 1-8 1/2 Fractional Twist Heavy Barrel™ Complete Upper Barrel Receiver Assembly

This 20″ 1-8 1/2 Fractional Twist Heavy 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 heavy barrel with precision shooting in mind.

Starts with our 20″, .223 caliber heavy 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″
• Heavy 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-H20-85 – 20″ 1-8 1/2 Fractional Twist Heavy 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 Heavy 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: BA-H20-85 Keymod

SKU: BA-H20-85-M MLOK®