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This is a complete lower receiver built by Bravo Company Manufacturing, one of the few shops making AR parts in the USA with uncompromising standards. You're getting a 7075-T6 aluminum lower that's been forged and hardcoat anodized to mil-spec MIL-A-8625F standards, which means it'll handle whatever you throw at it without breaking a sweat.
The big deal here is the MK2 Recoil Mitigation System paired with the MOD 0 Gunfighter stock. The MK2 isn't just about reducing felt recoil, though it does that well. It uses an M16A4 rifle-length spring with more coils than a standard M4, which smooths out the buffer displacement and keeps your carrier velocity consistent. This means better accuracy on follow-up shots and more reliable cycling across different barrel lengths and ammunition types. The buffer itself is made from 7075-T6 aluminum, hard coat anodized like the receiver, so everything matches in terms of durability.
BCM's MOD 0 is a no-frills, snag-free polymer stock that weighs virtually nothing but refuses to rattle or move around on the receiver extension. The whole thing is designed around a modular setup with simple 5-part construction, so swapping it out for something else down the road is straightforward. You get a built-in VBOST (Vehicle Borne Operations Sling Tab) that works with riggers' bands or bungees for securing your sling when you're not shooting, plus ambidextrous QD sling mount options. The color-matched rubber butt pad sits flush and comfortable on your shoulder.
Inside you'll find BCM's PNT trigger assembly (Polished Nickel Teflon), an enhanced trigger guard for gloved hands, and all the small parts machined with the same attention to detail you'd expect from a company that builds tools for serious professionals. The lower is marked SAFE and SEMI, mil-spec dimension throughout, with a staked M4 lock nut that's properly secured. Everything shows up ready to run. This is a cosmetic blem unit, meaning there are minor finish imperfections from the factory, but the function and mechanical tolerance are perfect.
Yes, this lower comes completely assembled with all internals installed including the trigger group, buffer system, stock, and grip. You just need to attach an upper receiver to complete your rifle. Everything is torqued and ready to function right out of the box.
The MK2 uses an M16A4 rifle-length spring in a longer buffer tube, which keeps the carrier velocity consistent across different loads and configurations. This means smoother cycling, faster follow-up shots, and better reliability whether you're running a 16-inch barrel with 5.56 or testing different ammunition. It reduces felt recoil without compromising function like some other buffer upgrades can.
A cosmetic blem means the lower has minor finish imperfections from manufacturing, like small scuffs or anodize marks. The mechanical tolerances and function are perfect mil-spec, so this doesn't affect reliability or performance. You're getting the same BCM quality at a better price because of appearance only.
The MOD 0 stock is designed for mil-spec receiver extensions, so if your lower has a standard mil-spec buffer tube, the stock will fit. The stock is modular by design, so swapping it between lowers or replacing it with another mil-spec stock is simple and tool-free.
| UPC | 812526024329 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BCMLRG-RMS-STK-MOD-0-FDE-COSMO |
| Action | |
| Caliber/Gauge | Multi |
| Color | Flat Dark Earth |
| Model | |
| Product Type | Complete Lower Receiver |
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