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The BCM Gunfighter Lower Receiver Group in Flat Dark Earth is a complete, fully assembled lower designed for builders who want a no-compromise foundation without assembly hassle. This isn't a stripped receiver or a semi-complete kit. It arrives ready to pin to any mil-spec AR-15 upper, configured for .223 Rem/5.56 NATO in semi-auto operation.
This lower includes BCM's MK2 recoil mitigation system paired with a mil-spec M16 action spring. The MK2 receiver extension runs about 3/4 inch longer than a standard carbine tube, giving you extra room for ergonomic adjustments and making it compatible with A5-style systems. The extended length also provides a more comfortable cheek weld when shouldering. The system was designed to reduce felt recoil while maintaining the reliability that separates BCM from budget alternatives.
The included BCM Gunfighter Mod-1 SOPMOD stock features a wider body profile than earlier generations, delivering a pronounced cheek weld that most users find comfortable for extended shooting sessions. Storage compartment tucked in the toe of the stock, accessible through the butt pad, gives you a practical spot for small necessities without adding bulk. The stock design is snag-free with no sharp edges, which matters when your rifle's around your neck or working through tight spaces. Multiple sling mounting options include ambidextrous QD sockets and the modular VBOST tab for securing your sling against the stock when not in use.
Machined from 7075-T6 aluminum and hardcoat anodized to professional standards, this receiver handles everyday use without hesitation. Every component meets or exceeds mil-spec requirements, and the assembly quality reflects BCM's reputation for no-frills durability. Whether you're heading to the range, setting up for competition, or building a rifle for practical applications, this lower receiver group checks boxes without the premium cost of some boutique manufacturers.
Yes. This is a mil-spec lower receiver that accepts any mil-spec AR-15 upper without modification. Just remove two takedown pins, separate the upper and lower, pin them back together, and you're ready to go. The receiver extension is mil-spec diameter, so you have flexibility with stock options too.
The BCM MK2 extension is approximately 3/4 inch longer than a standard 6-position carbine tube. This extra length provides better ergonomics for varied body types and gear setups, plus it allows compatibility with AR-10 and A5 intermediate buffer tubes if you ever want to experiment with alternate recoil systems. The longer tube also affects your overall cheek weld when shouldering.
Yes, the storage compartment in the toe of the Mod-1 SOPMOD stock is deep enough for CR123 batteries, small optics batteries, or other small necessities. Access it through the hinged butt pad. Many users keep backup batteries or a cleaning rod tip stored there, though it's not large enough for magazines.
This is a complete, fully assembled lower receiver. All fire controls, springs, and internal parts are installed and ready to go. You just need to pair it with an AR-15 upper receiver and you have a functional rifle.
The Mod-1 has a wider, more pronounced cheek weld than slimmer options like Magpul MOE stocks, which many people prefer for extended shooting. It fits snug on mil-spec extensions with minimal wobble. Compared to B5 Systems SOPMOD stocks, it's lighter and about half the cost while still delivering solid ergonomics and durability.
Anodized means the aluminum has been treated with a hardcoat process (MIL-A-8625F Type III Class 2) that provides corrosion resistance and protects against scratches and wear. FDE is Flat Dark Earth, a neutral tan color that works in most environments. This finish is durable for field use and general maintenance without special care.
| UPC | 812526023766 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | LRG-RMS-STK-MOD-1-SPMD-FDE |
| Product Type | Complete Lower Receiver |
| Action | |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Color | Flat Dark Earth |
| Model | |
| Style | Assembled |
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