1. Home
  2. Shop All
  3. Davidson Defense "Hardhead" AR-15 Upper Receiver 20" .350 Legend 4150 CMV 1-16T Heavy Barrel 16.5" KeyMod Handguard
Davidson Defense
Davidson Defense 'Hardhead' AR-15 Upper Receiver 20' .350 Legend 4150 CMV 1-16T Heavy Barrel 16.5' KeyMod Handguard

Davidson Defense "Hardhead" AR-15 Upper Receiver 20" .350 Legend 4150 CMV 1-16T Heavy Barrel 16.5" KeyMod Handguard

On sale: $509.99 $254.99
Retail Price$509.99
You Save:$255.00(50%)
Part Number: PI-23435
Availability: In Stock.

Choose Options


Davidson Defense "Hardhead" 

AR-15 Upper Receiver 

20" .350 Legend 4150 CMV 1-16T Heavy Barrel 

Slim 16.5" KeyMod 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.

Built On A Davidson Defense Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.

This Build Features A 20" XX-Treme Barrel Company Barrel Chambered In .350 Legend. This Barrel Is Made From 4150 CMV With A Manganese Phosphate Finish And A Thread Pitch Of 5/8x24. This Heavy Barrel Also Includes A Twist Rate Of 1-16.

This Omega Manufacturing 16.5" Slim KeyMod Handguard Allows You To Comfortably Grip Your Rifle With Various Shooting Positions And Securely Mount A Variety Of Accessories. Made Of Aircraft Grade 6061 T6 Aluminum. Finished In Type III Mil-Spec Type Anodized Finish.

The Mil-Spec A2 Flash Hider "Half Bird Cage" From Omega MFG. This Is The Best Working Flash Hider For The Money, It Is Hard To Find A Better Performing Muzzle Device For The Money. So, If It Ain't Broke Don't Fix It Is The Old Motto. This Government Spec Flash Hider Is Designed To Disperse Gases And Direct The Flash Away From The Shooter's Line Of Sight As Well As Help Manage Recoil.


Barrel MFG: XX-Treme Barrel Company
Barrel: 20" .350 Legend 4150 CMV Heavy Barrel
Twist Rate: 1-16T
Thread Pitch: 5/8x24
Gas System Length: Carbine
Upper: Davidson Defense Mil-Spec Upper Receiver
Handguard: Omega Manufacturing 16.5" Slim KeyMod Handguard 
Gas Block: .750 Low Profile Steel Gas Block
Gas Tube: Tactical Superiority Stainless Steel Carbine Gas Tube
Muzzle Brake: Omega Mfg. Mil-Spec GI A2-Style Birdcage Flash Hider
Forward Assist: DPMS AR-15 Forward Assist Assembly
Ejection Port Door: DPMS AR-15 Ejection Port Door, Rod And Spring
Upper Weight: 4lb 4oz

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.

Related Items

Ready Man CIA Letter Opener
$14.99 $9.99 Sale
In Stock.


AR-15 .350 Legend BCG
$399.99 $299.99 Sale
Finish Your Build Kit
$199.99 $99.99 Sale
Rifle Stocks
$199.99 $24.99 Sale
AR-15 Magazines
$199.99 $9.99 Sale
AR-15 LPK's
$199.99 $44.99 Sale
Ar-15 Charging Handles
$199.99 $9.99 Sale
AR-15 Serialized Parts
$199.99 $114.99 Sale

Recently Viewed Items