DTT FDE AR-15 Rifle Lower Build Kit, Rare Breed FRT-15L3, Team Accessories Corp M4 Style Butt Stock

Delta Team Tactical DTT FDE AR-15 Lower Build Kit, Rare Breed FRT-15L3, Team Accessories Corp M4 Style Butt Stock

The Delta Team Tactical DTT FDE AR-15 Lower Build Kit is a lower completion package built around a forged 7075-T6 aluminum lower receiver with a Cerakote finish in Flat Dark Earth. The receiver features a low shelf trigger pocket with M16 cut and ambidextrous pictogram selector markings engraved on both sides in Safe, Semi, and Full Auto positions. The kit includes a complete lower parts kit with a Rare Breed FRT-15L3 forced reset trigger in place of the standard fire control group, along with a 3-position ambidextrous safety selector and a Mil-Spec A2 grip in black. The Rare Breed FRT-15L3 is a drop-in forced reset trigger constructed from 7075 anodized aluminum and heat-treated 4140 steel, featuring anti-walk pins, a secure anti-rotation design, and a 3-position selector covering Safe, Semi, and Forced Reset. A full-auto compatible bolt carrier group is required for proper function and is not included. The buffer system consists of a Mil-Spec heavy-duty 6-position carbine buffer tube in 6061-T6 aluminum and a Sound Mitigation Buffer H3 at 5.6 oz, which integrates the buffer and recoil spring function into a single self-contained unit. A Mil-Spec metal receiver end plate and a notched steel castle nut in phosphate finish round out the rear hardware. The Team Accessories Corp AR M4 style 6-position adjustable butt stock in black, constructed from aircraft grade aluminum, high strength steel, and reinforced polymer, is included.

Key Features

• Forged 7075-T6 aluminum lower receiver, Cerakote FDE finish
• Low shelf trigger pocket, M16 cut
• Ambidextrous pictogram selector markings, Safe, Semi, Full Auto, engraved both sides
• Standard AR-15 and STANAG magazine compatible
• Complete lower parts kit
• Rare Breed FRT-15L3 forced reset trigger, 7075 anodized aluminum and heat-treated 4140 steel, anti-walk pins, anti-rotation design, 3-position Safe, Semi, Forced Reset
• 3-position ambidextrous safety selector
• Mil-Spec A2 grip, black
• Mil-Spec heavy-duty 6-position carbine buffer tube, 6061-T6 aluminum, black
• Sound Mitigation Buffer H3, 5.6 oz, integrated buffer and recoil spring system
• Mil-Spec metal receiver end plate
• Notched steel castle nut, phosphate finish
• Team Accessories Corp AR M4 style 6-position adjustable butt stock, black, aircraft grade aluminum, high strength steel, reinforced polymer
• Full-auto compatible bolt carrier group required, not included

Perfect For

• AR-15 builders sourcing a complete FDE lower build kit with a Rare Breed FRT-15L3 forced reset trigger and Team Accessories Corp M4 style butt stock already included
• Shooters building a competitive or training-focused AR-15 who want the trigger, ambidextrous safety selector, and buffer system covered in one lower kit
• Builders who want an M4 style adjustable butt stock in a mixed aircraft aluminum and steel construction paired with a forced reset trigger without sourcing components separately

DTT FDE Lower Receiver

The forged 7075-T6 aluminum lower receiver carries a Cerakote finish in Flat Dark Earth. It features a low shelf trigger pocket with M16 cut and ambidextrous pictogram selector markings engraved on both sides, covering Safe, Semi, and Full Auto positions. The receiver is compatible with standard AR-15 and STANAG magazines.

Rare Breed FRT-15L3 Forced Reset Trigger

The Rare Breed FRT-15L3 is a drop-in forced reset trigger constructed from 7075 anodized aluminum and heat-treated 4140 steel. It features a 3-position selector covering Safe, Semi, and Forced Reset, with anti-walk pins and a secure anti-rotation design. The forced reset system mechanically resets the trigger after each shot. A full-auto compatible bolt carrier group is required for proper function and is not included with this kit.

Buffer System and Rear Hardware

The buffer system includes a Mil-Spec heavy-duty 6-position carbine buffer tube in 6061-T6 aluminum and a Sound Mitigation Buffer H3 at 5.6 oz, integrating the buffer and recoil spring function into a single self-contained unit. The Mil-Spec metal receiver end plate and notched steel castle nut in phosphate finish complete the rear hardware. The Team Accessories Corp AR M4 style 6-position adjustable butt stock in black is constructed from aircraft grade aluminum, high strength steel, and reinforced polymer, pairing with the included Mil-Spec buffer tube and covering the rear stock interface for this lower build kit.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. A full-auto compatible bolt carrier group is required for proper Rare Breed FRT-15L3 function and is not included.