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Spike’s Tactical Crusader AR-15 Pistol Lower Build Kit, KAK Shockwave 2M Blade Brace

Part Number: S-PI-P-LR15-66195
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Spike's Tactical Crusader AR-15 Pistol Lower Build Kit, KAK Shockwave 2M Blade Brace

This Lower Build Kit centers on the Spike's Tactical Crusader STLS022 lower receiver, machined from aluminum and finished in hard coat black anodizing, carrying the Crusader shield/cross engraving and dual-language selector markings. It's paired with a complete Davidson Defense 31-piece mil-spec Lower Parts Kit, a Davidson Defense heavy-duty 6-position buffer tube, and a KAK Industry Shockwave 2M Blade adjustable stabilizing brace. This item is a serialized component and requires FFL transfer.

Key Features

  • Spike's Tactical Crusader STLS022 lower receiver, aluminum, hard coat anodized black
  • Multi-caliber marking, Crusader shield/cross logo, dual-language selector markings
  • Davidson Defense complete 31-piece mil-spec Lower Parts Kit included
  • Mil-spec A2 pistol grip and standard curved trigger included
  • Davidson Defense 6061 aluminum heavy-duty 6-position carbine buffer tube, Type II anodized
  • KAK Industry Shockwave 2M Blade multi-position adjustable stabilizing brace in black included
  • FFL transfer required

Lower Receiver

The Crusader STLS022 is machined from aluminum and finished in hard coat black anodizing, carrying a multi-caliber marking along with the Crusader shield and cross logo in the magazine well. Its selector carries dual-language markings, reading "PAX PACIS," "BELLUM," and "DEUS VULT" on one side and "PEACE," "WAR," and "GOD WILLS IT" on the opposite side, and it weighs 0.75 pounds. It's built to standard AR-15 pattern magazine, fire control, buffer system, and grip compatibility.

Lower Parts Kit

The included Davidson Defense Lower Parts Kit is a complete, 31-piece mil-spec set covering the full fire control group, including a standard curved mil-spec trigger, mil-spec hammer, disconnector, and mil-spec safety selector, along with the trigger guard, magazine catch assembly and release button, bolt catch assembly, pivot pin, takedown pin, buffer retainer, and the full set of detents and springs. Its components are built from a mix of steel, aluminum, and polymer, finished in Phosphate and anodized coatings. A mil-spec A2 pistol grip in black is included with its grip screw and washer.

Buffer System

The buffer tube is a Davidson Defense heavy-duty, 6-position mil-spec diameter carbine receiver extension machined from 6061 aluminum and finished in Type II anodizing, measuring 7.15 inches long with a 1.145-inch outer diameter, a 1-inch inner diameter, and a weight of 3.8 ounces. It's paired with a 3-ounce standard AR-15 carbine recoil buffer built with a 6061 aluminum body, steel internal weights, and a polymer impact pad, along with a USA-made standard AR-15 carbine recoil spring. A Davidson Defense mil-spec castle nut in black and a US Tactical mil-spec receiver end plate complete the receiver extension hardware.

Brace

The KAK Industry Shockwave 2M Blade is an adjustable, blade-style stabilizing brace built from reinforced polymer in a compact, lightweight design, finished in matte black. It features an integrated locking adjustment lever for multi-position length changes and mounts to the mil-spec carbine receiver extension included in this kit via a slide-on adjustable blade-style mount.

Follow all manufacturer instructions and safe handling practices.
Ensure compliance with all applicable federal, state, and local laws.
This item must be transferred in accordance with all applicable federal, state, and local laws.

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 Brace Compatibility: Mil-Spec Diameter Adjustable Stabilizing Braces

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

Pistol Brace: KAK Industry Shockwave 2M Blade

Brace Brand: KAK Industry

Brace Model: Shockwave 2M Blade

Brace Type: Adjustable Pistol Stabilizing Brace

Brace Platform Compatibility: AR-Pattern Platforms Using a Mil-Spec Carbine Receiver Extension

Brace Buffer Tube Compatibility: Standard Mil-Spec Carbine Buffer Tube

Brace Adjustment: Multi-Position Adjustable

Brace Mounting Interface: Mil-Spec Carbine Receiver Extension

Brace Attachment Style: Slide-On Adjustable Blade-Style Mount

Brace Material: Polymer

Brace Color: Black

Brace Finish: Matte Black

Brace Style: Shockwave Blade-Style Stabilizing Brace

Brace Profile: Compact, Lightweight Blade Design

Brace Construction: Reinforced Polymer Construction

Brace Adjustment Control: Integrated Locking Adjustment Lever

Brace Design: Low-Profile Minimalist Stabilizing Design

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