AR-15 5.56/.223 Wylde 24" Diamond Fluted Rifle Kit, 15" Slim M-LOK, Adaptive Stock, No BCG

5.56 Rifle Kit: Specs & What's Included

Push long-range performance and accuracy to the next level with this AR-15 5.56/.223 Wylde 24" Diamond Fluted Rifle Kit. Designed for precision shooters, this kit features a 24" stainless steel diamond-fluted bull barrel chambered in .223 Wylde and a non-threaded target crown for enhanced ballistic stability.

Crafted from 100% U.S.-made mil-spec components, this kit ships without a BCG or lower receiver, offering flexibility to complete your rifle your way. Legal for shipment to California and New York.

Kit Includes:

Barrel:

• 24" bull profile barrel

• 416R stainless steel, diamond fluted

• Chambered in .223 Wylde (supports .223 Rem & 5.56 NATO)

• 1:8 twist rate

• .936” gas block diameter

• Rifle-length gas system

• Non-threaded target crown 

Upper Receiver:

• 7075-T6 forged M4 flat top

• Hard coat anodized

• Includes forward assist and ejection port cover

• Precision machined by U.S. mil-spec manufacturer

Handguard:

• 15" MORIARTI Slim M-LOK free-float rail

• Aircraft-grade aluminum

• May feature slight M-LOK design variations (same performance and quality)

Lower Parts Kit:

• Classic mil-spec AR-15 LPK

• Includes fire control group, springs, pins, grip, and more

Charging Handle:

• AR-15 mil-spec standard

• Black anodized aluminum

Stock Assembly:

• Adaptive tactical adjustable stock (no pad)

• 6-position mil-spec buffer tube, carbine buffer, and spring

Bolt Carrier Group:

• Not included — add your preferred BCG separately for customization

Important Notes:

• Unassembled kit – machining required on 80% lower receiver

• Lower receiver NOT included

• No BCG included

• 100% compliant with non-FFL regulations

• Ships to California and New York

  Images may not be the exact representation of the product

Looking for a complete build with BCG included? Browse our AR-15 Complete Rifle Kits for ready-to-go options.

FAQ

Is a lower receiver included?

No. The lower receiver is sold separately; you finish the build on your own AR-15 lower.

What bolt and magazines does it use?

A standard 5.56 AR-15 bolt carrier group and standard AR-15 / STANAG magazines.

Related: 5.56 NATO build kits · all AR-15 build kits