Description
This lower build kit gives you all the components needed to complete a DPMS stripped pistol lower in one package. You get the CAR-15 style injection molded stabilizing brace, A2 style pistol grip, aluminum trigger guard, the full retro lower parts kit with all fire control internals, and a mil-spec 6-position buffer tube assembly. The kit is finished in black with retro styling throughout.
What Makes the DPMS CAR-15 Lower Build Kit Stand Out
The standout feature here is the CAR-15 blade brace itself. It's made from durable injection molded polymer and designed for quick handling on compact builds. The brace uses a lever adjustment mechanism that slides right onto the 6-position buffer tube and locks into place. You get a QD point on the back for easy sling attachment if you want to run one.
Assembly and Compatibility
Everything in this kit is drop-in ready and mil-spec compliant. The A2 style grip fits naturally in your hand with its angle and texture. The aluminum trigger guard is a straightforward replacement piece. The retro lower parts kit includes your complete fire control group, hammer, trigger, disconnector, safety selector, magazine catch assembly, bolt catch assembly, and all the small springs and detents that actually make the gun run. The 6-position buffer tube gives you length adjustments to dial in what works best for you.
Designed for Pistol Builds
The components here are specifically assembled for compact pistol configurations. Weight is kept light for fast handling, and everything works together as a cohesive system rather than a random assortment of parts. The retro aesthetic with modern function appeals to builders who want historical styling without sacrificing reliability or ease of assembly. Black anodized finish throughout gives it a classic look.
You'll need a stripped AR-15 pistol lower receiver to use this kit, but once you have that, you're ready to start putting it all together.
Key Specifications
- Product Type: AR-15 Pistol Lower Build Kit
- Manufacturer: DPMS Panther Arms
- Manufacturer Part Number: DP51655159027
- UPC: 810141220836
- Pistol Brace Type: CAR-15 Style Injection Molded Stabilizing Brace
- Brace Adjustment: Lever Controlled, 6-Position
- Pistol Grip: DPMS Retro A2 Style
- Trigger Guard: Drop-In Aluminum Replacement
- Buffer Tube: Mil-Spec Diameter, 6-Position, Carbine Length
- Finish: Matte Black
- Compatibility: DPMS Stripped AR-15 Pistol Lower Receivers
- Brace Material: Injection Molded Polymer
- QD Point: Yes, on back of brace for sling attachment
What’s Included
- DPMS CAR-15 Style Stabilizing Pistol Brace
- DPMS Retro A2 Style Pistol Grip
- Aluminum Trigger Guard
- DPMS Retro Lower Parts Kit (fire control group, hammer, trigger, disconnector, safety selector, magazine catch assembly, bolt catch assembly, springs and detents)
- Mil-Spec Diameter 6-Position Buffer Tube Assembly
Frequently Asked Questions
Do I need a stripped lower to use this DPMS CAR-15 lower build kit?
Yes, this is a build kit designed to finish a stripped AR-15 pistol lower. You need to source a DPMS stripped lower receiver separately. Once you have that, this kit includes everything else required to complete the lower assembly.
Is the CAR-15 brace adjustable?
Yes. The brace uses a lever-controlled adjustment mechanism that lets you position it on the 6-position mil-spec buffer tube wherever you need it. This gives you flexibility in how you set up your pistol for different hand positions or accessories.
What's included in the DPMS Retro Lower Parts Kit?
The retro lower parts kit contains your complete fire control group including the hammer, trigger, disconnector, safety selector, magazine catch assembly, bolt catch assembly, and all the small springs and detents needed for operation. It's everything internally that makes the trigger and safety function.
Can I use this kit with any AR-15 upper?
This kit completes the lower half of the rifle, so you'll need to pair it with an AR-15 upper that's compatible with your chosen caliber. The lower itself is marked MULTI for caliber flexibility, but make sure your upper matches the cartridge you want to shoot.
How difficult is the assembly process?
The components in this kit are drop-in ready and mil-spec compliant, which means they're designed for straightforward installation. If you're new to lower assembly, take your time, use a lower parts kit assembly video, and be careful with those tiny springs and detents. Having good lighting and a small parts organizer helps keep everything sorted.
Does this kit include the buffer spring?
Yes. The mil-spec buffer tube assembly includes the buffer spring, castle nut, and end plate. You get everything needed for the buffer tube system to function properly.





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