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SKU: 430106495
This stock kit is built for shooters who want a complete, mil-spec diameter setup with the Mod 2 stock and BCM MK2 receiver extension included in one package. It is suited to carbine builds where a longer receiver extension, 8-position adjustment, and an end plate with QD swivel mount are useful for setup flexibility. The kit also includes the matching spring, buffer, and locking nut, making it a straightforward option for assembling or upgrading a rifle with compatible BCM components. Its stated focus is improved ergonomics and durability, while keeping the configuration purpose-driven rather than overly specialized.
Complete Stock
Kit includes receiver extension, spring,
Mil-spec Diameter
Standard carbine setups
Eight-position Extension
Multiple length-of-pull adjustment options
Epm4 End
Plate includes a mount for
Mod 2
Stock is recontoured for enhanced
| Bcm Epm4 End Plate | include mount for QD swivel |
|---|---|
| Bcm Mk2 Mod 1 T0 Buffer | weight = approximately 3.8oz |
| Bcm Mk2 Receiver Extension | approximately 3/4" longer than carbine, 7076T6, 8 position, Mil-Spec diameter |
| Bcm Stock Mod 2 | Black |
| Durability | next-level durability |
| Enhanced Ergonomics | Included |
| Locking Nut | Castle Nut M4 |
| Made By | Americans in Hartland, WI |
| Mil Spec M16a4 Rifle Action Spring | Included |
| Patented | United States Patent Number: D901616 |
| Recontoured | semi-club |
| Stock Kit Included | BCM Stock Kit w/ Mod 2 stock and MK2 RMS |
The kit includes the BCM Stock Mod 2, BCM MK2 Receiver Extension, Mil-Spec M16A4 Rifle Action Spring, BCM MK2 Mod 1 - T0 Buffer, BCM EPM4 End Plate with mount for a QD swivel, and a Locking Nut (Castle Nut).
Yes. The included BCM MK2 Receiver Extension is listed as mil-spec diameter.
The BCM MK2 Receiver Extension is described as approximately 3/4" longer than carbine.
Yes. The BCM EPM4 End Plate is listed as including a mount for a QD swivel.
The included BCM Stock Mod 2 is listed as black, while the product title identifies the widebody version in Flat Dark Earth.