Description
Reptilia spent more than two years developing the RECC-E at the request of a military end user, and it shows in the details that matter most. This is a complete stock system that ships with the proprietary carbine-length receiver extension and all the mounting hardware, so you are not hunting down a separate buffer tube to finish the job. The whole package tips the scales at just 12 ounces, which is where it really pulls ahead of chunkier fixed-position stocks while still giving you a substantial cheek surface and a wide shoulder pad.
What Sets the RECC-E Apart on Your AR-15
The standout feature is the constant cheek weld. No matter which of the five length-of-pull positions you settle into (roughly 10.8 to 14.2 inches), your face lands in the same spot behind the optic every time, so getting back on target after a transition feels natural and repeatable. The build mixes impact-modified glass-filled nylon polymer with a 7075-T6 anodized aluminum receiver extension and nitrided steel hardware, so it holds up to real use without feeling heavy. Folks who have run it tend to point out how solid it stays even at full extension, with essentially no rattle when it is mounted behind the gun.
Ambidextrous Setup and Sling Options
The rear QD sling cup can be swapped to either side of the stock, so lefties and righties both get a clean sling setup without any compromise. Add in the textured rubber buttpad that grabs your shoulder and keeps the gun planted, and you have a stock that works whether you shoot a compact SBR or a longer precision rifle.
Modular Buffer System Compatibility
Out of the box the RECC-E runs a standard AR-15 carbine buffer system. The modular architecture means you can convert it to an A5/SR25 carbine buffer setup by swapping the receiver extension and the forward portion of the stock, which gives the platform real flexibility down the road. Installation is straightforward for anyone comfortable on the AR platform, though you will want an armorer's wrench on hand to get the buffer tube properly snugged down.
Key Specifications
- Manufacturer: Reptilia
- Model: RECC-E
- Manufacturer Part Number: 100-142
- UPC: 850022282683
- Color: Flat Dark Earth
- Style: Carbine
- Type: Ambidextrous
- Weight: 12.0 oz (including receiver extension)
- Length of Pull: 10.8 in. – 14.2 in. (5 positions)
- Receiver Extension: 7075-T6 Aluminum, Type III Milspec Anodized
- Materials: Impact-Modified Glass-Filled Nylon Polymer, 7075 Aluminum, Nitrided Alloy Steel Hardware
- Platform Compatibility: AR-15 / M4 / SR-15 carbine buffer system
- Sling Attachment: Swappable ambidextrous QD cup
- Country of Origin: Made in USA
What’s Included
- Reptilia RECC-E Carbine Stock (FDE)
- Proprietary carbine-length receiver extension (buffer tube)
- All mounting hardware
Frequently Asked Questions
Does the Reptilia RECC-E come with a buffer tube?
Yes. The RECC-E ships as a complete system with Reptilia's proprietary carbine-length receiver extension and all the mounting hardware. You do not need to source a separate buffer tube to install it, though you will reuse your existing buffer and action spring.
Will the RECC-E stock fit my standard AR-15 lower?
It is designed for mil-spec AR-15 lower receivers running a standard carbine buffer system. The modular design also lets you convert it to an A5/SR25 setup later by swapping the receiver extension and the forward portion of the stock. Installation is simple for most AR builders, and an armorer's wrench makes the job easier.
How heavy is the Reptilia RECC-E carbine stock?
The complete stock weighs about 12 ounces including the receiver extension, which makes it noticeably lighter than many fixed or adjustable stocks in its class. That weight savings is a big reason people run it on lightweight and compact builds without giving up a solid cheek weld.
Can the QD sling point be moved to the other side?
Yes. The rear QD sling cup can be swapped to either the left or right side of the stock, so it works equally well for right-handed and left-handed shooting. That flexibility lets you set up your sling exactly how you run your rifle.





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