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Spikes Tactical Spike's Tactical Crusader AR-15 Rifle Lower Build Kit, FDE Adaptive Tactical EX Stock

Part Number: S-PI-R-LR15-66201
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On sale $225.99 $169.99
Retail Price:$225.99
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Spike's Tactical Crusader AR-15 Lower Build Kit, FDE Adaptive Tactical EX Stock

This is a complete lower build kit for AR-15 platforms. It pairs. Spike's Tactical. Crusader lower receiver with a Davidson. Defense mil-spec lower parts kit, carbine buffer system, and an. Adaptive. Tactical EX adjustable stock in FDE. The kit gives you everything needed to complete a functional lower receiver except the serialized lower receiver itself, which you'll need to source separately.

Key Features

  • Spike's Tactical Crusader lower receiver with Crusader Shield engraving and Latin selector markings
  • Davidson Defense 31-piece mil-spec lower parts kit with complete fire control group
  • Adaptive Tactical EX adjustable stock with honeycomb recoil pad and 6-position adjustment
  • Davidson Defense heavy-duty carbine buffer tube with standard carbine buffer and spring
  • Mil-spec castle nut and end plate
  • Integrated QD sling mount on stock
  • FDE finish throughout

Perfect For

  • Builders looking for a quality lower receiver with distinctive branding and markings
  • Shooters who want a complete lower build without sourcing individual components
  • Those prioritizing recoil management with a performance-focused adjustable stock
  • AR-15 enthusiasts building a rifle that matches aesthetic preferences with FDE color

Spike's Tactical Crusader Lower Receiver

The. Crusader lower receiver is hard coat anodized aluminum in black with the distinctive. Crusader. Shield and. Cross logo. Selector markings read "PAX PACIS," "BELLUM," and "DEUS VULT" on one side with "PEACE," "WAR," and "GOD WILLS IT" on the opposite side. It's marked for multi-caliber use and accepts standard AR-15 pattern magazines and components. The receiver weighs 0.75 lb and is manufactured by. Spike's Tactical under part number STLS022.

Davidson Defense Lower Parts Kit and Buffer System

This kit includes a complete 31-piece mil-spec lower parts kit with curved trigger, mil-spec hammer, disconnector, safety selector, magazine catch assembly, bolt catch assembly, and all required pins, springs, and detents. The pistol grip is mil-spec A2 in black. The buffer system consists of a heavy-duty 6061 aluminum carbine receiver extension with type II anodize finish, a standard carbine recoil buffer with polymer impact pad, and a made-in-USA carbine recoil spring. The castle nut and end plate complete the assembly.

Adaptive Tactical EX Adjustable Stock

The. Adaptive. Tactical EX stock is made from high-impact reinforced polymer in FDE and features a sleek M4-style profile. It adjusts across 6 positions with an easy-to-reach rapid adjust lever and oversized extra-strength adjustment pin. The integrated vented honeycomb recoil pad is engineered to help reduce felt recoil and shooting fatigue. Integrated QD swivel attachment and molded-in sling mounting points support multiple sling configurations. The stock weighs approximately 12 oz and is made in the USA.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included. BCG and charging handle are not included.

Specifications

Platform: AR-15

Lower Receiver: Spike’s Tactical Crusader STLS022 Lower Receiver

Lower Receiver Model: Crusader STLS022

Lower Receiver Caliber Marking: Multi-Caliber

Lower Receiver Material: Aluminum

Lower Receiver Finish: Hard Coat Anodized

Lower Receiver Color: Black

Lower Receiver Magazine Compatibility: Standard AR-15 Pattern Magazines

Lower Receiver Fire Control Compatibility: Standard AR-15 Pattern Components

Lower Receiver Buffer System Compatibility: Standard AR-15 Receiver Extension Components

Lower Receiver Grip Compatibility: Standard AR-15 Pistol Grips

Lower Receiver Engraving: Crusader Shield / Cross Logo

Lower Receiver Selector Markings: “PAX PACIS,” “BELLUM,” and “DEUS VULT”

Opposite-Side Selector Markings: “PEACE,” “WAR,” and “GOD WILLS IT”

Lower Receiver Manufacturer: Spike’s Tactical

Manufacturer Part Number: STLS022

Lower Receiver UPC: 855319005075

Lower Receiver Weight: 0.75 lb

Lower Parts Kit: Davidson Defense Complete Mil-Spec AR-15 Lower Parts Kit

Lower Parts Kit Piece Count: 31 Pieces

Fire Control Group: Complete Mil-Spec Fire Control Group

Trigger: Standard Curved Mil-Spec Trigger

Hammer: Mil-Spec Hammer

Disconnector: Included

Safety Selector: Mil-Spec Safety Selector

Trigger & Hammer Pins: Included

Magazine Catch Assembly: Included

Magazine Release Button: Included

Bolt Catch Assembly: Included

Pivot Pin: Included

Takedown Pin: Included

Trigger Guard: Included

Buffer Retainer: Included

Detents: Safety Selector, Pivot Pin, and Takedown Pin Detents Included

Springs: Complete Lower Parts Kit Spring Set Included

Pistol Grip: Mil-Spec A2 Pistol Grip

Pistol Grip Color: Black

Grip Hardware: Grip Screw and Washer Included

Lower Parts Kit Material Composition: Steel, Aluminum, and Polymer

Lower Parts Kit Finishes: Phosphate and Anodized

Buffer Tube: Davidson Defense Heavy-Duty 6-Position Carbine Receiver Extension

Buffer Tube Type: Mil-Spec Carbine

Buffer Tube Material: 6061 Aluminum

Buffer Tube Construction: Heavy-Duty Machined Aluminum

Buffer Tube Finish: Type II Anodized

Buffer Tube Color: Black

Buffer Tube Profile: Mil-Spec Diameter Carbine Receiver Extension

Buffer Tube Adjustment Positions: 6

Buffer Tube Outer Diameter: 1.145"

Buffer Tube Inner Diameter: 1"

Buffer Tube Length: 7.15"

Buffer Tube Weight: 3.8 oz.

Buffer Tube Stock Compatibility: Mil-Spec Diameter Adjustable AR-15 / AR-10 Stocks

Buffer: Standard AR-15 Carbine Recoil Buffer

Buffer Weight: 3 oz.

Buffer Body Material: 6061 Aluminum

Buffer Internal Weights: Steel

Buffer Tip: Polymer Impact Pad

Buffer Spring: Standard AR-15 Carbine Recoil Spring

Buffer Spring Origin: Made in USA

Receiver End Plate: US Tactical AR-15/M16 Mil-Spec Receiver End Plate

Castle Nut: Davidson Defense AR-15 Mil-Spec Carbine Castle Nut

Castle Nut Color: Black

Stock: Adaptive Tactical EX Performance Adjustable Stock

Stock Brand: Adaptive Tactical

Stock Model: EX Performance Adjustable Stock

Stock Manufacturer Part Number: AT-02012-E

Stock SKU: AT-02012

Stock Type: Adjustable Carbine Rifle Stock

Stock Style: M4-Style Adjustable Stock

Stock Platform Compatibility: AR-15 / AR-10

Stock Buffer Tube Compatibility: Mil-Spec Sized Carbine Receiver Extensions

Stock Material: High-Impact Polymer

Stock Construction: Durable Reinforced Polymer

Stock Color: FDE

Stock Adjustment Positions: 6

Stock Length of Pull: Adjustable

Stock Adjustment System: Easy-to-Reach Rapid Adjust Lever

Stock Adjustment Pin: Oversized Extra-Strength Adjustment Pin

Stock Profile: Sleek Industrial M4-Style Design

Stock Recoil Pad: Vented Non-Slip Rubber Recoil Pad

Stock Recoil Pad Design: Engineered Honeycomb Pattern

Stock Recoil Pad Function: Designed to Help Reduce Felt Recoil and Shooting Fatigue

Stock QD Sling Mount: Integrated QD Swivel Attachment

Stock Sling Attachment: Molded-In Non-Rust Standard Sling Swivel Attachment

Stock Sling Mounting: Multiple Sling Mounting Locations

Stock Takedown Pin Design: Covered Takedown Pin

Stock Weight: Approximately 12 oz.

Stock Length: Approximately 7.25"

Stock Origin: Made in USA

Receiver Extension System: Carbine-Length

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