Brn M4 Adjustable Buttstock, Black
$15.99 at Brownells
In stock Sale
Best price
$18.34at Kentucky Gun Co
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $18.34checked Oct 21, 2026 | In stock | Buy at Kentucky Gun Co | |
| Ammunition Depot | $20.49checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $16.95Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Brownells | $19.99checked Oct 21, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $17.39 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $20.49 | $20.49 | $20.49 |
| Battlehawk Armory | $16.95 | $16.12 | $16.95 |
| Brownells | $19.99 | $19.99 | $19.99 |
| Kentucky Gun Co | $18.34 | $17.39 | $18.34 |
Since Sep 28, 2026.
About this part
The M4 Mil-Spec Buttstock For AR-15 is an AR-15 stock from One Horse. It's sold by 4 stores (2 in stock), from $16.95 to $20.49. The lowest in-stock price in the last 30 days was $17.39 at Kentucky Gun Co.
Specifications
- Manufacturer
- One Horse
- Type
- Stock
- Platform
- AR-15
From the manufacturer
ONE HORSE LLC M4 MIL-SPEC STOCK FOR AR-15 Upgrade or replace your setup with a reliable Mil-Spec M4 polymer buttstock. It's lightweight, impact-resistant, and built to handle hard use. The six-position adjustable design locks firmly on any Mil-Spec buffer tube, giving you a solid, wobble-free fit and easy length-of-pull adjustments. Simple, durable, and ready to drop in. Every One Horse rifle and component is made in America with uncompromising standards. We use U.S.-sourced materials, U.S. manufacturing, and strict quality control at every step. No shortcuts, no imported surprises - just dependable parts built by people who take pride in American Mfg: One Horse
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