Description
Strike Industries built the CARPRE for folks who don't want to settle for cut-rate hardware on the back of their AR pistol. It's a carbine-length receiver extension cut from 7075-T6 aluminum, which is a real step up in strength over the run-of-the-mill 6061 tubes you see on budget builds. The slick, smooth-sided profile keeps things clean and snag-free, and it plays nice with popular aftermarket pistol braces along with Strike's own Viper Pistol Stabilizer.
What Sets the CARPRE Slick Apart
This tube threads onto any standard AR receiver and uses your standard carbine buffer and spring, so there's no oddball parts hunting involved. It runs a supported, anti-rotation buffer retaining plunger, which keeps the retainer locked in place and takes the guesswork out of assembly. That extra support is the kind of detail you notice down the road when everything stays put through round after round.
Blue Anodize and the Built-In QD
Strike finishes this one in a Type II blue anodize, so it adds a pop of color to a build without looking gaudy. A QD socket is machined right into the rear of the tube, which makes push-pull sling work simple and gives you a solid attachment point for a single-point or two-point setup. If you shoot off sling tension, that rear QD is genuinely useful rather than just a nice-to-have.
Where the Receiver Extension Fits In
The carbine-length CARPRE is a great match for AR pistol and PDW-style builds where you want a strong, low-profile tube that mounts a brace and rides comfortably against your gear. It's a straightforward install for anyone comfortable working on a lower, and the 7075-T6 construction means you're not going to be babying it. For builders who care about the details on every part, this one earns its spot on the parts list.
Key Specifications
- Manufacturer: Strike Industries
- Manufacturer Part Number: ARCARPRESLICKBLU
- UPC: 708747547948
- Product Type: Buffer Tube / Receiver Extension
- Length: Carbine
- Material: 7075-T6 Aluminum
- Finish: Blue Type II Anodized
- Profile: Slick (smooth-sided)
- Buffer Retainer: Supported anti-rotation plunger
- QD Mount: Built-in socket at rear and in end plate
- Compatibility: Fits any standard AR receiver
What’s Included
- 1x Strike Industries Slick Carbine Pistol Receiver Extension (Blue)
Frequently Asked Questions
What buffer and spring does the CARPRE carbine pistol receiver extension use?
It uses a standard carbine buffer and carbine recoil spring, so you can run the same components you'd use in a typical carbine build. This tube is the receiver extension only and does not ship with a buffer or spring. Grab a carbine buffer and spring to complete the assembly if you don't already have them on hand.
Will this receiver extension work with aftermarket pistol braces?
Yes. The slick, smooth-sided profile is designed to accept popular aftermarket pistol braces as well as Strike Industries' own Viper Pistol Stabilizer. The all-around smooth surface is what gives braces a proper mounting fit.
Why go with 7075-T6 aluminum over a cheaper 6061 tube?
7075-T6 is a stronger alloy than the 6061 used on many budget tubes, so it holds up better to the stress a receiver extension sees over a long service life. For a build you plan to run hard, that added strength is worth it. It's the same reason quality mil-spec tubes lean on 7075.
Does the Strike Industries CARPRE have a sling attachment point?
It does. There's a QD socket machined into the rear of the tube along with the end plate, which makes push-pull sling operation easy. That gives you a clean way to run a single-point or two-point sling for added control.





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