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Davidson Defense "Siamese Fireback" AR-15 Pistol Upper Receiver 5.25" 9MM QPQ Nitride 1-10T KAK Industries Barrel 4" M-Lok Handguard (Assembled or Unassembled)

Part Number: PI-31658
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Davidson Defense
Davidson Defense 'Siamese Fireback' AR-15 Pistol Upper Receiver 5.25' 9MM QPQ Nitride 1-10T KAK Industries Barrel 4' M-Lok Handguard (Assembled or Unassembled)
On sale $409.99 $204.99
Retail Price:$409.99
Your Savings:$205.00(50%)
In Stock

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Davidson Defense "Siamese Fireback" 

AR-15 Pistol Upper Receiver 

5.25" 9MM QPQ Nitride 1-10T KAK Industries Barrel 

Slim 4" M-Lok Handguard

(Assembled or Unassembled)

If You Don't Have An AR-15 Pistol Yet, Now Is The Perfect Time To Build One. At This Price There's No Reason Not To Add One To Your Arsenal. This Pistol Upper Kit Once Assembled With Your Favorite Lower And Brace, Will Easily Fit Into Any Collection And Take Up Minimal Space.

This Build Features A Davidson Defense Stripped Upper Receiver. This Upper Receiver Is Made From 7075-T6 Aluminum With A Grey Film Coating On The Inside And Has An Enlarged Port Door To Allow The Ejection Of The Larger Round. Made In The USA, This Upper Receiver Also Has An Anodized Black Finish And Will Work With Standard AR-15 Parts.

This Build Features A KAK Industry 4150 CMV QPQ Nitride Barrel Chambered In 9MM With A 1-10 Twist. This Barrel Has A 1/2x36 Thread Pitch As Well As A 1-10 Twist Rate.

Features A Slim Omega Manufacturing 4" Freefloat M-Lok Handguard. This Handguard Is Lite Making It Perfect For AR-15 Pistol Builds . Made Of 6061 T6 Aluminum And Finished In Type III Mil-Spec Anodization. 

This Build Includes A Recoil Technologies Steel Flash Can. This Muzzle Device Has A Black Oxide Coating And Is Made To Direct Gases And Noise Away From The Shooter.


Barrel MFG: KAK Industries
Barrel: 5.25" 9MM 4150 CMV QPQ Nitride KAK Industries Barrel
Twist Rate: 1-10
Thread Pitch: 1/2x36
Upper: Davidson Defense Stripped Upper Receiver With Enlarged Port Door
Handguard: Omega Manufacturing Slim 4" Freefloat M-Lok 
Muzzle Brake: Recoil Technologies 1/2x36 Steel Flash Can
Forward Assist: DPMS AR-15 Forward Assist Assembly
Ejection Port Door: DPMS AR-15 Ejection Port Door, Rod And Spring
Upper Weight: 1lb 14oz

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.

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