Davidson Defense "Heartnote"
AR-15 Upper Receiver
16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel
Premium 15" M-Lok Handguard
(Assembled or Unassembled)
This 5.56 Upper Offers Amazing Stopping Power And Accuracy Which Makes It The Perfect Option For An AR Rifle. We've Felt That This Amazing Blend Of Attributes Made This Kit Adaptable In Its Use And Ability To Be Used Anywhere Under Every Circumstance.
Davidson Defense Billet Left Handed Upper Receiver. CNC Machined From 7075-T6 Billet. Features Mil-Spec 1913 Picatinny Rail And A Type III Class 2 Hard Coat Anodized Finish. Made 100% In Smithfield, Utah Using The Highest Quality Aluminum And 5 Axis CNC Machines Available. The Design Of The Upper Incorporates The Internal Specs From The US Government Forged Upper Receiver Drawings So The Exactness And Firing Of The Rifle Is Flawless. Note: This Billet Upper Will Work With Any Standard Quad Rail Or Handguard, But May Not Fit Rails With Anti-Walk Or Anti-Rotation Tabs.
The Scientists And Engineers Have Been Hard At Work In The Workshop And Laboratory Creating A Barrel That Is Out Of This World. The End Result Of This Brain Trust Is A Barrel Brand Simply Known As Mercury Precision. Mercury Precision Barrels Are Machined From F.J. Feddersen Match Grade Blanks That Have Been Button Cut To Very Space Grade Specifications, The End Result Being A Very High End Product. The Goal With Mercury Precision Was To Create A High End Barrel That Does Not Require A Space Travel Budget To Afford.
This Mercury Precision "Satellite" Barrel Is 16.5" Long And Is Made From 4150 CMV And Has A High Quality QPQ Black Nitride Finish. This Treatment Increases The Barrel's Hardness Significantly And Makes It Extremely Corrosion Resistant. This Barrel Comes With A 1:7 Twist Rate, Features A 1/2x28 Thread Pitch, And Is Has A Mid-Length Gas System. This Satellite Barrel Has A Government Profile Making It Heavy Enough To Be Stable On Its Target, But Light Enough To Be Carried Around.
This Upper Includes A Davidson Defense 15" M-Lok Handguard. This Freefloating Handguard Allows You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories.
This Upper Features A Guntec Micro Compensator. This Device Has 3 Top Ports To Help Combat Muzzle Rise As Well As Side Slots To Help Reduce Pressure Under Rapid Fire. Made From Steel, This Muzzle Device Was Designed To Be Very Compact.
Barrel MFG: Mercury Precision
Barrel: 16.5" 5.56 NATO 4150 QPQ Nitride Government Profile Barrel
Twist Rate: 1-7T
Thread Pitch: 1/2x28
Gas System Length: Mid-Length
Upper: Davidson Defense Left Handed Billet Upper Receiver
Handguard: Premium Davidson Defense 15" M-Lok Handguard
Gas Block: .750 Low Profile Steel Gas Block
Gas Tube: Tactical Superiority Stainless Steel Mid-Length Gas Tube
Muzzle Brake: Guntec Micro Compensator For 1/2x28
Forward Assist: Omega Mfg. AR-15 Forward Assist Assembly
Ejection Port Door: Omega Mfg. AR-15 Ejection Port Door, Rod And Spring
Upper Weight: 3lbs 10oz
Please note: If the listing says "In-Stock" it means we have all of the items in stock. Our assembled upper receivers are made to order, please check this LINK to view our most up to date shipping status.