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DPMS AR-15 Rifle Lower Build Kit, Straight Trigger Shoe, Ranger Stock

Part Number: S-PI-R-LR15-65921
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Complete AR-15 lower build kit with forged 7075-T6 aluminum receiver, straight trigger, and Ranger stock featuring integrated QD mounts for tactical
On sale $198.99 $149.99
Retail Price:$198.99
Your Savings:$49.00(25%)
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DPMS AR-15 Rifle Lower Build Kit, Straight Trigger Shoe, Ranger Stock

This is a complete lower build kit designed to turn a stripped lower receiver into a functional AR-15 platform. It includes everything needed except the serialized lower receiver itself. The kit pairs a DPMS DA-15 forged lower receiver with a Davidson Defense Match Grade lower parts kit, a mil-spec carbine buffer system, and an adjustable Ranger stock with integrated QD mounts.

Key Features

  • DPMS DA-15 forged 7075-T6 aluminum lower receiver with black hardcoat anodized finish
  • Davidson Defense Match Grade lower parts kit with 31 components and 3.5 lb straight trigger shoe
  • Mil-spec 6-position carbine buffer tube with standard buffer and recoil spring
  • Ranger stock with integrated quick detach sling mounts and adjustable length of pull
  • US Tactical receiver end plate and AR-15 carbine castle nut included
  • Multi-caliber marked receiver compatible with standard mil-spec AR-15 uppers

Perfect For

  • Builders looking for a complete lower assembly solution with quality components
  • Shooters who want match-grade trigger performance in a budget-friendly kit
  • Those building a carbine-length AR-15 platform
  • Tactical shooters who value integrated sling mounting solutions

DPMS DA-15 Lower Receiver

The foundation of this kit is the DPMS DA-15 lower receiver, forged from 7075-T6 aluminum and finished with mil-spec hardcoat anodizing. This is a serialized component that functions as the firearm itself under federal law. The multi-caliber markings mean this lower works with standard AR-15 uppers across various cartridges. The mil-spec buffer tube interface and magazine well accept standard AR-15 components without modification.

Davidson Defense Match Grade Lower Parts Kit

This kit includes a 31-piece Davidson Defense lower parts kit graded for match performance. The straight trigger shoe features a skeletonized design with a 3.5 lb pull weight and black oxide finish. A mil-spec A2 grip is included. All fire control components are pre-assembled and ready to install into the receiver.

Ranger Stock and Buffer System

The adjustable Ranger stock features integrated quick detach sling mounts, giving you mounting points without additional hardware. The stock slides onto a mil-spec heavy-duty carbine buffer tube with six adjustment positions. The system includes a standard 3 oz carbine buffer and carbine recoil spring. This setup handles standard mil-spec components and provides reliable cycling across typical AR-15 configurations.

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

Specifications

Platform: AR-15

Lower Receiver: DPMS DA-15 Lower Receiver

Lower Receiver Manufacturer: DPMS

Lower Receiver Model: DA-15

Lower Receiver Caliber Marking: Multi-Cal

Lower Receiver Material: Forged 7075-T6 Aluminum

Lower Receiver Construction: Forged

Lower Receiver Finish: Black Hardcoat Anodized

Anodizing Specification: MIL-A-8625 Type III Class 2

Lower Receiver Color: Black

Selector Markings: SAFE / FIRE

Magazine Well: Standard AR-15 Pattern

Buffer Extension Interface: Standard AR-15 Pattern

Component Compatibility: Standard Mil-Spec AR-15 Components

Serialized Component: Yes, DPMS DA-15 Lower Receiver

Lower Parts Kit: Davidson Defense Match Grade AR-15 Lower Parts Kit

Lower Parts Kit Generation: Gen 2

Lower Parts Kit Part Count: 31 Pieces

Lower Parts Kit Grade: Match Grade

Fire Control Group Included: Yes

Trigger Type: Single Stage

Trigger Style: Straight Trigger Shoe

Trigger Design: Skeletonized

Trigger Pull Weight: 3.5 lbs

Trigger Material: Steel

Trigger Finish: Black Oxide

Grip Included: Yes

Grip Style: Mil-Spec A2

Grip Color: Black

Buffer Tube: Mil-Spec Heavy-Duty AR-15 6-Position Carbine Buffer Tube

Buffer Tube Type: Carbine

Buffer Tube Compatibility: Mil-Spec

Buffer Tube Positions: 6-Position

Buffer: Standard AR-15 Carbine Buffer

Buffer Weight: 3 oz.

Recoil Spring: Standard AR-15 Carbine Recoil Spring

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

Castle Nut: AR-15 Carbine Castle Nut

Stock Included: Yes

Stock Manufacturer: Davidson Defense

Stock Model: AR-15 Ranger Stock

Stock Platform: AR-15

Stock Style: A-Frame Adjustable Rifle Stock

Stock Adjustment: Adjustable

Stock Buffer Tube Compatibility: Mil-Spec Carbine Buffer Tube

Stock Sling Mount: Yes

Stock Sling Mount Type: Integrated QD Mounts

Stock Color: Black

Buffer System Type: Mil-Spec 6-Position Carbine Buffer System

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