Description
The DoubleStar ACE Essential Retro Aluminum CAR Buttstock brings back the unmistakable silhouette of the early CAR-15 carbines that showed up during the Vietnam War. It's a ground-up reproduction, not a rough approximation, and DoubleStar leaned on modern manufacturing to get the shape, feel, and finish right. Slide it onto a period-correct upper and it looks the part next to an original, which is exactly what most retro builders are after.
What Sets the Essential Retro CAR Stock Apart
Instead of the vinyl acetate coating used on the vintage stocks, DoubleStar finishes this one with a plastisol powder coat. The look is nearly identical to the old-school finish, but it stands up to handling, weather, and range abuse a whole lot better. Underneath that coating is a rugged aluminum body, so you get vintage styling without the fragility that came with some of the originals.
Fit and Function on Your AR Build
This is the A128 configuration, which ships as a complete stock package with a two-position buffer tube, end plate, and castle nut. The stock adjusts between two positions, roughly 7 inches and 10 inches of length of pull, with a simple push of the lever. It's built for the standard AR-15 platform, so it drops right onto a mil-spec lower without any surprises. Worth noting up front: the buffer and spring are not included in this version, so you'll want to have those on hand before assembly.
Why Retro Builders Reach for This CAR Buttstock
Genuine Colt CAR stocks are tough to find and cost a small fortune when they do surface. This DoubleStar version gives you that authentic profile and feel at a fraction of the hassle, and folks who've set it next to an original tend to say it's remarkably close. Made in the USA, it's become a go-to for anyone chasing that classic clone-build look without hunting down decades-old surplus parts.
Key Specifications
- Manufacturer: DoubleStar
- Manufacturer Part Number: A128
- UPC: 841348111207
- Model: Essential Retro Stock
- Material: Aluminum
- Color: Black
- Finish: Plastisol Powder Coat
- Style: Retro CAR-15 Reproduction
- Adjustment: Two Position (approx. 7" and 10")
- Platform Fit: AR-15
- Buffer & Spring Included: No
- Country of Manufacture: Made in USA
What’s Included
- ACE Essential Retro Aluminum CAR Buttstock
- Two-position buffer tube (receiver extension)
- End plate
- Castle nut
Frequently Asked Questions
Does the A128 Essential Retro CAR Buttstock come with a buffer and spring?
No, this version ships without the buffer and spring. You do get the complete stock, a two-position buffer tube, end plate, and castle nut, so you'll just need to add a carbine buffer and spring to finish the install. If you'd rather have everything in one box, DoubleStar also offers the A127 assembly that includes the buffer and spring.
Will this stock fit a standard AR-15 lower?
Yes, it's designed for the standard AR-15 platform and installs on a mil-spec lower. Since it comes with its own two-position buffer tube, end plate, and castle nut, you're mounting the included tube rather than reusing an existing carbine setup. That keeps the retro geometry authentic to the original CAR design.
How close is it to an original Vietnam-era CAR-15 stock?
It's a faithful reproduction, and builders who have set it next to a genuine Colt stock consistently say it's remarkably close in shape and feel. The plastisol powder coat mimics the original vinyl acetate finish while holding up much better to real-world use. For clone and retro builds, it's one of the go-to options.
What length adjustment does the Essential Retro CAR Buttstock offer?
The stock has two positions that adjust with a simple push of the lever, giving you roughly 7 inches and 10 inches of length of pull. That matches the classic CAR-15 setup rather than the multi-position adjustment you'd find on a modern carbine stock. It's a quick, tactile change from one position to the other.




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