Kratos Design Group A5 Receiver Extension Black
$61.99 at OpticsPlanet · 3 stores
In stock
Kratos Design Group M4 Receiver Extension Black
Kratos Design Group · Buffer Tubes & Springs
No ratings yetBest price
$49.99at OpticsPlanet
In stock Sale checked Oct 31, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $49.99Salechecked Oct 31, 2026 | In stock | Buy at OpticsPlanet | |
| AR15Discounts | $42.95checked Oct 31, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $42.95checked Oct 31, 2026 | Check store | Buy at Dirty Bird |
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: $49.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $42.95 | $42.95 | $42.95 |
| Dirty Bird | $42.95 | $42.95 | $42.95 |
| OpticsPlanet | $49.99 | $49.99 | $49.99 |
Since Oct 28, 2026.
About this part
The Kratos Design Group M4 Receiver Extension Black is an AR-15 buffer part from Kratos Design Group. It's sold by 3 stores (1 in stock), from $42.95 to $49.99. The lowest in-stock price in the last 30 days was $49.99 at OpticsPlanet.
Specifications
- Manufacturer
- Kratos Design Group
- Type
- Buffer Tube
- Platform
- AR-15
- Material
- Aluminum
From the manufacturer
Kratos Design Group M4 Receiver Extension Black. Constructed of impact-extruded 7075-T6 aluminum with Type III Class 2 hard coat anodizing for an extremely hard abrasion resistant surface. Finding the perfect length of pull is easy with six adjustable stock positions. Specifications for Kratos Design Group M4 Receiver Extension: Manufacturer: Kratos Design Group Finish: Hardcoat anodize Fabric/Material: 7075-T6 Aluminum Gun Make: AR Platform Gun Model: M4 AR-15 Dimensions: 5x2x2 in Weight: 3.9 oz Package Contents: Kratos Design Group M4 Receiver Extension What firearm models does the manufacturer say Kratos Design Group M4 Receiver Extension is compatible with? The manufacturer suggests that Kratos Design Group M4 Receiver Extension is compatible with AR-15 M4Kratos Design Group RE-M4-BLK-KDG: M4 Receiver Extension Black
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