Description
Bravo Company built the Mod 3 Stock off years of real-world feedback from overseas use, and it shows in the details. This is a stripped-down, minimalist buttstock that fits mil-spec buffer tubes and weighs in at just 6.4 ounces, so it keeps your AR nimble without adding dead weight to the back end. The slick, snag-free profile means it won't grab on slings, plate carriers, or gear when you're moving, and the double-walled H-Beam construction keeps it durable enough to take a beating.
What the Risers Bring to the Mod 3 Stock
The standout feature here is the kit's two friction-fit M3 marksman risers, sized at roughly .5 inch and .8 inch. You can mount them in six different positions and flip them forward or reverse, which gives you a ton of room to fine-tune your cheek height. That flexibility matters when you're running electro-optics, an LPVO, or a night vision setup and need your eye to line up naturally behind the glass every single time you shoulder the rifle.
Grip and Sling Options on the BCM Mod 3
The removable diamond-textured buttpad locks into your shoulder pocket and is set up for high-ready manipulation, while non-slip side panels give you a steady hold in supported positions. For sling work, you get both horizontal and vertical web attachment points, and they double as interfaces for BCM's MCMR-SM Quick Detachable Sling Mount. Any make or model of sling will run on it right out of the box.
Tool-Free Setup
The Mod 3 uses BCM's patented internal latch system, now paired with an ergonomic lever for quick positioning and tool-less install and removal. Swap it onto your rifle, adjust length of pull on the fly, and get back to shooting. Made in the USA, it's a clean, no-nonsense upgrade for anyone building out an optics-equipped AR platform.
Key Specifications
- Manufacturer: Bravo Company Mfg / BCM
- Model: Mod 3 Stock
- Manufacturer Part Number: BCM-GFS-MOD-3-K85-BLK
- UPC: 812526024169
- Color: Black
- Weight: 6.4 oz
- Length: 10.55 in
- Construction: Double-walled H-Beam
- Material: Polymer & Aluminum
- Fit: Mil-Spec Buffer Tube
- Riser Sizes: Approx. .5 in and .8 in
- Riser Mounting: Six positions, forward or reverse orientation
- Sling Attachment: Horizontal and vertical web points
- Installation: Tool-less with ergonomic lever
- Country of Origin: USA
- Product Type: Stock
What’s Included
- BCM Mod 3 Stock (Black)
- Two friction-fit M3 marksman risers (approx. .5 in and .8 in)
Frequently Asked Questions
Does the BCM Mod 3 Stock fit a standard mil-spec buffer tube?
Yes, the Mod 3 is built for mil-spec diameter receiver extensions. It slides right onto a standard mil-spec tube and installs tool-free thanks to the ergonomic lever and internal latch system. It will not fit commercial-spec tubes.
What do the two M3 risers actually do?
The risers raise the cheek surface of the stock so your eye lines up naturally behind taller optics. The kit includes two sizes, roughly .5 inch and .8 inch, and each can be mounted in six positions and flipped forward or reverse. That makes it easy to nail a consistent cheek weld when running an LPVO, red dot, or night vision setup.
Can I run my existing sling on the Mod 3 Stock?
Absolutely. The Mod 3 has both horizontal and vertical web sling attachment points that work with any sling out of the box. Those same points also serve as interfaces for BCM's MCMR-SM Quick Detachable Sling Mount if you want to add QD capability later.
How much does the Mod 3 Stock weigh?
It comes in at 6.4 ounces, which keeps it on the lighter end for a full-featured stock. BCM shaved it down while using a double-walled H-Beam construction, so you get a slick, minimalist profile without sacrificing durability.









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