Description
Complete 4.5" 9MM Pistol Upper Receiver | A2 Flash Hider | 4" M-LOK | BCG & CH:
This Complete 4.5 inch M-LOK upper receiver comes with our Builder's Grade 4 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 and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.
Barrel
Specifications
Caliber 9mm
Length 4.5
Material 4150 Chrome Moly Vanadium
Profile Straight
Finish QPQ Corrosion Resistant
Gas System Length None
Gas Block Journal N/A
Dimpled? No
Twist Rate 1:10
Muzzle Thread 1/2x36 TPI
Weight 8.3oz
Barrel Extension Integrated
Target Crown 11 Degree
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:
This .22LR / 9mm upper receiver assembly is made from forged 7075-T6 aluminum and is Hard Coat Anodized. It meets military specifications and comes in a true slick side configuration. The ejection port door is sized for 9mm and 22LR. This upper does not have a shell deflector, nor does it have a forward assist.
Machined from a Mil-Spec 7075 T6 forging
Type III Hardcoat Anodized finish
Handguard:
4" free float handguard
MIL-STD 1913 Picatinny rail on top
1 M-Lok slots on 3 sides
Precision Machined aircraft grade aluminum, for high strength and weight savings
Steel Barrel nut to resist movement under heat
Made in USA
Charging Handle:
Alloy Charging Handle Assembly
Complete with Standard Latch
Made from hardcoat anodized aluminum
Black finish
Always Armed Black Pistol Stabilizer - Fin:
This pistol stabilizer is made from glass-reinforced polymer and built to exact tolerances. That attention to detail means the Fin fits on all pistols equipped with a standard AR15 buffer tube up to 1.25" in diameter without any need for special receiver extensions. Just slide the stabilizer on and tighten the alan key set screw for quick, secure installation.
Features:
Fits pistols with standard (up to 1.25" diameter) buffer tubes
Weighs just 5.7 ounces
ATF-approved for pistol used
Tactical Sport Complete AR15 LPK:
This TS Lower Parts Kit is what you need to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.
Safety Selector
Selector Spring
Selector Detent
Magazine Catch
Magazine Catch Spring
Aluminum Magazine Catch Button
Bolt Catch
Bolt Catch Detent
Bolt Catch Spring
Bolt Catch Roll Pin
Take Down Pin Take Down Detent
Take Down Detent Spring
Front Pivot Pin
Front Pivot Pin Detent
Front Pivot Pin Detent Spring
Trigger Guard
Trigger Guard Roll Pin
Buffer Retainer Detent
Buffer Retainer Spring
A2 Pistol Grip
Pistol Grip Screw
Pistol Grip Lock Washer
Trigger
Trigger Spring
Hammer
Hammer Spring
Disconnector
Disconnector Spring
Hammer Pin & Trigger Pin
*May come with standard “tear-drop” endplate OR ambidextrous sling loop endplate based on component availability.
SKU: RBK-BG459MM4INA2-BLK-GDPSB-TS
