1. Home
  2. AR-15 & AR-10 Build Kits
  3. Upper Build Kits
  4. Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits
  5. .223 Rem > AR-15 Upper Build Kits
  6. Rifle Length > .223 Rem > AR-15 Upper Build Kits
  7. Davidson Defense Lost Relic 16-inch AR-15 .223 Wylde Rifle Upper Build Kit
Davidson Defense Lost Relic 16-inch AR-15 .223 Wylde Rifle Upper Build Kit
Davidson Defense Lost Relic 16-inch AR-15 .223 Wylde Rifle Upper Build Kit 1

Davidson Defense Lost Relic 16-inch AR-15 .223 Wylde Rifle Upper Build Kit

On sale: $189.99 $144.99
Retail Price$189.99
You Save:$45.00(24%)
Part Number: PI-R-223-63408
Availability: In Stock.

Choose Options

*
*

Details

The Lost Relic 16-inch AR-15 .223 Wylde Rifle Upper Build Kit from Davidson Defense is engineered for gunsmiths seeking high performance combined with durability. This kit features a 16-inch Tactical Match AR-15 barrel made from 4150 Chrome Moly Vanadium, finished with a phosphate coating for resilience. With a 1:8 twist rate and carbine-length gas system, it delivers precision accuracy while the M4 contour profile balances weight and stability.


The kit includes a lightweight 15-inch KeyMod, free-floating handguard made from 6061-T6 aluminum, ensuring comfort and ease of handling. A stripped upper receiver constructed from 7075-T6 aluminum provides a robust foundation, finished with anodizing for added protection. The recoil technologies micro low-profile gas block and an AR-15 birdcage flash hider complete the assembly, optimizing the upper build for reliable functionality. At a total weight of 56.56 oz, this upper build kit is perfect for AR-15 enthusiasts aiming for quality and performance.

Specifications

Product Name: Lost Relic 16-inch AR-15 .223 Wylde Rifle Upper Build Kit

Total Weight: 56.56 oz

Platform: AR-15

Caliber: .223 Wylde

Barrel Name: Tactical Match AR-15 16" M4 Contour .223 Wylde 1:8 Twist Carbine Barrel (Cryo-Treated, Phosphate)

Barrel Length: 16 inches

Barrel Material: 4150 Chrome Moly Vanadium

Barrel Finish: Phosphate

Barrel Profile: M4 Contour

Barrel Twist Rate: 1:8

Barrel Gas System Length: Carbine

Gas Block Size: 0.75

Barrel Thread Pitch: 1/2x28

Gas Block Name: Recoil Technologies Micro Low-Profile Gas Block for .750 O.D Barrel Steel

Gas Block Material: Steel

Gas Block Finish: Phosphate

Handguard Material: 6061-T6 Aluminum

Handguard Length: 15 inches

Handguard Style: KeyMod, Free Float

Upper Receiver Name: Stripped Upper Receiver with M4 Feed ramps

Upper Receiver Material: 7075-T6 Aluminum

Upper Receiver Finish: Anodized

Muzzle Device Name: AR-15 1/2x28 TPI GI Birdcage Flash Hider

Muzzle Device Finish: Manganese Phosphate

Muzzle Thread Pitch: 1/2x28

To view the most up-to-date shipping times Click HERE.
To view Warranty, Returns, Terms & Restrictions Click HERE.

Related Items

Recently Viewed Items