RTB Complete 4.5" 9mm Upper Receiver - BLK | A2 | 4.5" M-LOK HG | With BCG & CH

Right To Bear Complete 4.5" 9mm Upper Receiver | A2 | 4.5" M-LOK Handguard | Black | With Bolt Carrier Group and Charging Handle

This Complete 4.5 inch M-LOK upper receiver comes with a 4.5 inch free-float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel making the action smooth and easy to keep clean.

Barrel:

• Length - 4.5"
• Material - 4150 Chrome Moly Vanadium
• Profile - Straight
• Finish - QPQ Corrosion Resistant
• Gas System Length - Blowback
• Twist Rate - 1:10 Twist
• Muzzle - 1/2x36 Threaded
• Weight - 8.3oz
• 9mm barrels do not have an index pin

Bolt Carrier Group:

• Colt & Glock Compatible
• USA made 8620 Steel Carrier Construction
• Phosphated or Nitrided Finish
• Heavy Firing Pin Retaining Spring
• 13.7 oz.

Upper Receiver:

• Machined from a Mil-Spec 7075 T6 Forging
• Black Anodized

Handguard:

• MATERIAL: HARD COAT ANODIZED/CERAKOTED ALUMINUM HANDGUARD, ALUMINUM BARREL NUT
• PRECISION BORE
• ACCEPTS M-LOK RAIL SECTIONS & ACCESSORIES
• 7075-T6 BARREL NUT
• RAIL LENGTH IS MEASURED ALONG THE TOP
• INNER DIAMETER: 1.36"

Charging Handle:

• Alloy Charging Handle Assembly
• Complete with Standard Latch
• Made from hardcoat anodized aluminum
• Black finish

***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***