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DTT AR-15 Rifle Lower Build Kit, Premium Uintah 3.0 lb Drop-In Ultra Match Trigger, BCM Furniture

Part Number: S-PI-R-LR15-65171
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DTT AR-15 Rifle Lower Build Kit, Premium Uintah 3.0 lb Drop-In Ultra Match Trigger, BCM Gunfighter SOPMOD Mod 1 Furniture

This is a Delta Team Tactical AR-15 lower build kit built around the DTT-15 forged 7075-T6 aluminum lower receiver with a Type III hardcoat anodized black finish, a low shelf trigger pocket with M16 cut, and ambidextrous engraved pictogram selector markings. The kit centers on a Premium Uintah M4 3.0 lb single-stage drop-in match trigger in an aluminum housing with steel trigger components, anti-walk pins, and a curved trigger profile that puts this lower well above anything running a standard mil-spec trigger group. BCM Gunfighter furniture covers the grip and rear end with a Bravo Company Gunfighter Mod 3 pistol grip and a BCM Gunfighter SOPMOD Mod 1 stock in black lightweight polymer, bringing an enhanced wide cheekweld, dual ambidextrous QD sockets with a VBOST sling tab, an internal buttstock storage compartment, and an integrated rubber buttpad to the rear end. The buffer system runs on a 7075-T6 aluminum Mil-Spec carbine buffer tube with dry film coating and Type III hardcoat anodize, a standard AR-15 carbine buffer at 3 oz., a standard carbine recoil spring made in the USA, an ambidextrous QD sling end plate, and an AR-15 carbine castle nut.

Key Features

  • DTT-15 forged 7075-T6 aluminum lower receiver, Type III hardcoat anodized black
  • Low shelf trigger pocket with M16 cut
  • Ambidextrous engraved pictogram selector markings
  • Standard AR-15 and STANAG magazine compatible
  • AR-15 lower parts kit
  • Premium Uintah M4 3.0 lb single-stage drop-in match trigger, aluminum housing, steel trigger, curved profile
  • Anti-walk pins, set of 2, black
  • Bravo Company Gunfighter Grip Mod 3, black
  • 7075-T6 aluminum Mil-Spec carbine buffer tube, dry film coated, Type III hardcoat anodized
  • Standard AR-15 carbine buffer, 3 oz.
  • Standard AR-15 carbine recoil spring, made in the USA
  • Ambidextrous QD sling end plate
  • AR-15 carbine castle nut
  • BCM Gunfighter SOPMOD Mod 1 stock, black, lightweight polymer, Mil-Spec receiver extension compatible
  • Enhanced SOPMOD-style wide cheekweld
  • Dual ambidextrous QD sockets with VBOST sling tab
  • Internal buttstock storage compartment
  • Integrated rubber buttpad

Perfect For

  • AR-15 builders who want a complete lower build kit with a match-grade trigger and BCM Gunfighter furniture in one package
  • Shooters pairing this kit with an existing upper assembly and upgrading from a standard mil-spec trigger group
  • Builders who want the DTT-15 lower receiver as the foundation with a top-tier trigger and quality BCM rear end furniture already covered

DTT-15 Lower Receiver

The DTT-15 lower receiver is forged 7075-T6 aluminum with a Type III hardcoat anodized black finish and a low shelf trigger pocket with M16 cut. Ambidextrous engraved pictogram selector markings are cut directly into the receiver on both sides. The receiver accepts standard AR-15 and STANAG magazines and is the serialized foundation of this lower build kit. The low shelf and M16 cut make it compatible with a wide range of AR-15 fire control group components including drop-in trigger assemblies.

Premium Uintah Match Trigger and Lower Parts Kit

The Premium Uintah M4 drop-in match trigger is the defining upgrade in this kit, delivering a 3.0 lb single-stage pull weight in a self-contained aluminum housing with steel trigger components and a curved trigger profile. At 3.0 lbs the pull weight sits well below mil-spec territory and puts this trigger firmly in match-grade range for an AR-15 lower. The drop-in design fits directly into the DTT-15 lower receiver trigger pocket and pairs with the included set of two black anti-walk pins that keep the trigger housing pins locked in position under use. The AR-15 lower parts kit covers the remaining internal lower components, including the magazine catch, bolt catch, selector, and all associated pins and springs. The Bravo Company Gunfighter Mod 3 pistol grip in black finishes the grip interface on the lower.

Buffer System and Rear Hardware

The 7075-T6 aluminum Mil-Spec carbine buffer tube with dry film coating and Type III hardcoat anodize brings a durable and well-finished buffer tube to a kit at this level. The standard AR-15 carbine buffer at 3 oz. and standard carbine recoil spring made in the USA complete the buffer system. The ambidextrous QD sling end plate sits between the buffer tube and the lower receiver at the rear, providing QD sling attachment access from either side without additional hardware. The AR-15 carbine castle nut locks the buffer tube and end plate down cleanly at the rear of the receiver.

BCM Gunfighter SOPMOD Mod 1 Stock

The BCM Gunfighter SOPMOD Mod 1 stock in black lightweight polymer fits directly onto Mil-Spec receiver extensions and closes out the rear end of this kit with a well-regarded stock that earns its place alongside the Uintah trigger and DTT-15 receiver. The enhanced SOPMOD-style wide cheekweld provides a consistent and comfortable cheek contact surface. Dual ambidextrous QD sockets with a VBOST sling tab give the builder multiple sling attachment options built directly into the stock body. An internal buttstock storage compartment and an integrated rubber buttpad complete the rear end with practical features that hold up in the field.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.

Specifications

Platform: AR-15

Lower Receiver: Delta Team Tactical DTT-15 Lower Receiver

Receiver Material: Forged 7075-T6 Aluminum

Receiver Finish: Type III Hardcoat Anodized, Black

Trigger Pocket: Low Shelf, M16 Cut

Selector Markings: Ambidextrous Engraved Pictogram Markings

Magazine Compatibility: Standard AR-15 / STANAG Magazines

Lower Parts Kit: AR-15 Lower Parts Kit

Trigger: Premium "Uintah" M4 3.0 lb Single-Stage Drop-In Match Trigger

Trigger Housing: Aluminum

Trigger Material: Steel

Trigger Pull Weight: 3.0 lb

Trigger Profile: Curved

Anti-Walk Pins: Set of 2, Black

Pistol Grip: Bravo Company Gunfighter Grip Mod 3, Black

Buffer Tube: 7075-T6 Aluminum Mil-Spec Carbine Buffer Tube, Dry Film Coated, Type III Hardcoat Anodized

Buffer: Standard AR-15 Carbine Buffer, 3 oz.

Buffer Spring: Standard AR-15 Carbine Recoil Spring, Made in the USA

Castle Nut: AR-15 Carbine Castle Nut

End Plate: Ambidextrous QD Sling End Plate

Stock: BCM Gunfighter SOPMOD Mod 1 Stock, Black

Stock Construction: Lightweight Polymer

Stock Compatibility: Mil-Spec Receiver Extensions

Cheekweld: Enhanced SOPMOD-Style Wide Cheekweld

Sling Mounts: Dual Ambidextrous QD Sockets with VBOST Sling Tab

Storage: Internal Buttstock Storage Compartment

Buttpad: Integrated Rubber Buttpad

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