Description
The Amend2 AMS Modular M-LOK Base carbine stock takes a fresh angle on AR furniture. Instead of copying the same old M4 silhouette, it uses its own club-footed profile that serves a real purpose. The wide, flat bottom rests nicely on a sandbag or bag rest, and the angled front strap gives your support hand something to grab so you can pull the stock into your shoulder for a steadier hold. It runs on standard mil-spec buffer tubes and, per Amend2, fits both AR-15 and AR-10 receiver extensions, so it drops onto most of the rifles in your safe.
What sets this one apart is the modular design. This base model comes with an M-LOK plate that lets you mount compatible accessories, and there's an interchangeable accessory slot along with additional attachment points on the bottom rib. You can keep it slick and minimal or build it out with the optional lower storage compartment, a battery tube, or whatever your setup calls for down the road.
Why the AMS Stock Holds Up in the Field
Amend2 built this from high-strength polymer with steel hardware, so it's made to take a beating. The controls are recessed to keep you from bumping the adjustment lever loose when you're moving around, and multiple friction features clamp the stock down to cut out the wobble you get with cheaper mil-spec stocks. That tighter lockup translates to a more consistent shot, whether you're on the bench or working a drill.
Comfort and Modularity in One Stock
The rubberized butt plate locks into your shoulder and takes some of the sting out of recoil better than a hard plastic pad, which you'll appreciate on longer range sessions. Even loaded up with the storage module, the AMS stays close to the weight of a standard mil-spec stock, so you're not paying for the extra options in pounds. For anyone who likes to tinker and tune their AR to fit exactly how they shoot, this is a smart foundation to start from.
Key Specifications
- Manufacturer: Amend2
- Manufacturer Part Number: A2AMSBASEBLK
- UPC: 799947619696
- Color: Black
- Material: High-strength polymer with steel hardware
- Length: 9.2 in
- Product Type: Mil-Spec
- Style: Adjustable
- Mounting: M-LOK plate
- Compatibility: Mil-spec AR-15 and AR-10 buffer tubes
- Butt Plate: Rubberized
- Sling Mount: QD sling swivel socket
What’s Included
- Amend2 AMS Modular M-LOK Base Mil-Spec Carbine Stock (Black)
- M-LOK accessory plate
Frequently Asked Questions
Does the Amend2 AMS stock fit a standard mil-spec buffer tube?
Yes. The AMS is a drop-in fit for standard mil-spec carbine receiver extensions. Amend2 also lists it as compatible with both AR-15 and AR-10 mil-spec tubes, so it works across most common AR builds.
What can I mount on the M-LOK plate of the AMS base model?
The base model uses an M-LOK plate to mount compatible accessories, and there are extra attachment points along the bottom rib. You can add the optional lower storage compartment, an Amend2 battery tube, or other M-LOK-compatible gear to configure it for your needs.
Does the modular design add a lot of weight to the stock?
Not really. The skeletonized profile helps keep weight down, and even with the optional storage compartment installed it stays only slightly heavier than a standard mil-spec stock. That makes it a good pick if you're trying to keep your AR light.
Does the AMS stock wobble like a lot of budget mil-spec stocks?
Amend2 built in multiple friction points that clamp the stock down for a secure lockup and cut out the play you feel on cheaper stocks. The recessed adjustment lever also helps keep the setting from getting bumped loose in the field.





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