BCM Gunfighter Stock Kit Mod 0 Black for AR-15
Mix and match across the range: 2 items save 5%, 3 save 10%, 4 or more save 15% on your whole basket.
Fits any AR-15/M4 lower receiver with a standard threaded rear, including UK straight-pull AR-15 builds. The Mil-Spec receiver extension is included, so no existing buffer tube is required. Supplied in Black.
Not sure it fits your rifle? Ask us before you order
The BCM Gunfighter Stock Kit Mod 0 is a complete carbine stock kit for AR-15 and M4 rifles, supplying the Mod 0 stock together with the full Mil-Spec receiver extension assembly.
Stock and hardware in one box — everything from the back of the receiver to your shoulder, built to one manufacturer's specification.
The kit pairs the Gunfighter Mod 0 stock with a 7075-T6 Mil-Spec receiver extension, an M4 castle nut, a carbine action spring, a carbine buffer and Bravo Company USA's own QD swivel mount end plate. Five parts plus the modular screw, which is all the rear of an AR-15 actually needs. The stock body is snag-free with no sharp edges to catch a sling, and it carries QD swivel sockets along with the modular VBOST tab for securing a sling when the rifle is slung or cased.
Buying the kit rather than assembling it piecemeal removes the guesswork, because every part is cut to the same specification by one manufacturer. If you already own a serviceable Mil-Spec stock and only need the tube hardware, the Milspec Carbine Stock Hardware Mounting Kit is this same hardware with no stock in the box. Check which of the two you actually want before ordering — this one includes the stock.
Fits any AR-15/M4-pattern lower receiver with a standard threaded rear, including UK straight-pull AR-15 builds, where the buffer and action spring still return the carrier after every hand-cycled stroke. Because the Mil-Spec receiver extension is in the box, nothing has to be carried over from your existing stock. Assembly needs a castle-nut wrench and a way to hold the lower securely, then torque and stake the castle nut — or have a gunsmith do the install. This kit is supplied in Black.
| Platform | AR-15 / M4 |
|---|---|
| Fits | Any AR-15/M4 lower receiver with a standard threaded rear |
| Type | Complete stock kit — stock, receiver extension, castle nut, carbine action spring, carbine buffer, QD end plate |
| Material | Polymer stock, 7075-T6 aluminium receiver extension |
| Finish | Black |
| Mount interface | QD sling sockets, VBOST tab, QD end plate socket |
| Made in | USA |
| Brand | Bravo Company USA |
| MPN | BCM-GFSK-MOD-0-BLK |
One box, one specification, done. Order the Gunfighter Stock Kit Mod 0 today — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.
Explore more: Rifle & Shotgun Stocks, AR-15 Parts & Accessories or browse all Bravo Company USA.
| Platform | AR-15 / M4 |
|---|---|
| Fits | Any AR-15/M4 lower receiver with a standard threaded rear |
| Type | Complete stock kit — stock, receiver extension, castle nut, carbine action spring, carbine buffer, QD end plate |
| Material | Polymer stock, 7075-T6 aluminium receiver extension |
| Finish | Black |
| Mount interface | QD sling sockets, VBOST tab, QD end plate socket |
| Made in | USA |
| Brand | Bravo Company USA |
| MPN | BCM-GFSK-MOD-0-BLK |
| Category | Rifle Stock |
| Barcode | 855877004954 |
£5 tracked UK delivery on every order via Royal Mail Tracked 24. Our products are ordered in from the manufacturer rather than held in UK stock, so please allow 7 to 10 business days (Monday to Friday, excluding bank holidays) from the date of your order for it to reach you. Tracking details are emailed on dispatch. UK delivery only.
You have 30 days from receiving your order to cancel it for any reason, then 14 days to send it back unused and in its original packaging. Faulty, damaged or incorrect items are replaced or refunded and we cover reasonable return postage. Refunds go back to your original payment method within 14 days of receiving the return.
Yes. This kit contains the BCM Gunfighter Mod 0 stock plus the complete mounting hardware — receiver extension, castle nut, carbine action spring, carbine buffer and the QD swivel mount end plate. The similarly named <a href="/products/bcm-milspec-carbine-stock-hardware-mounting-kit">Milspec Carbine Stock Hardware Mounting Kit</a> is the hardware on its own with no stock, so make sure you are ordering the one you want.
Yes. The receiver extension, buffer and action spring do the same job on a straight-pull as on any other AR-15: they house and return the carrier once you have cycled it by hand. Any lower receiver with a standard threaded rear will take the kit.
A castle nut wrench and a way to hold the lower receiver securely. The buffer and spring drop into the tube, the stock slides on, and the castle nut is torqued and then staked or thread-locked. If you would rather not torque and stake the nut yourself, have a gunsmith do the install.
VBOST stands for Vehicle Borne Operations Sling Tab. It is a modular tab that lets you secure the sling tight against the stock so it does not snag when the rifle is being moved, stowed or cased. It is fitted with a single screw and can be left off if you do not want it.
Stock kits are sent from the United Kingdom with £5 tracked UK delivery in 7–10 business days, and tracking is emailed to you when the parcel ships. If a part turns out to be the wrong fit, see our returns policy or <a href="/pages/contact">contact us</a> and we'll help sort it.
7 to 10 business days from the date of your order. Every order is sent Royal Mail Tracked for a flat £5 and you receive tracking details by email when it is dispatched.
Yes. We list only genuine parts and optics from the brands shown, ordered in from the manufacturer for your order.
Compatibility notes on this page come from the manufacturer. If you are unsure, email us with your make and model before ordering and we will check rather than guess.
Yes. Bundle & Save applies automatically in your basket: 5% off when you buy 2 items, 10% off at 3 items and 15% off at 4 or more. It works across the whole range, so you can mix and match, and there is no code to enter.
Yes — you have 30 days from delivery to cancel for any reason, as long as the item is unused and in its original packaging. See our returns policy for the details.
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