XM8 for Sale
Browse xm8 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The XM8 was a modular assault rifle prototype developed by Heckler & Koch in the early 2000s for the U.S. military. It aimed to simplify maintenance, reduce weight, and improve soldier ergonomics over the M4. Though ultimately never adopted, the XM8 remains a topic of interest among collectors and enthusiasts.
Why It's a Top Choice
- Lightweight polymer construction for reduced fatigue
- Modular design supports multiple roles in one platform
- Integrated optics and foregrip in standard setup
- Proven gas-piston system adapted from HK G36
- Rare collector item due to limited production
Key Variants
XM8 Carbine
Standard infantry version with 12.5-inch barrel, optimized for general military use.
XM8 Compact
Short-barreled variant ideal for vehicle crews and close-quarters combat.
XM8 Sharpshooter
Designated marksman variant equipped with longer barrel and magnified optics.
XM8 Automatic Rifle
Squad-level support variant with heavy barrel and higher sustained fire capability.
Competitor Comparison Table
| Feature | XM8 | M4 Carbine | FN SCAR-L |
|---|---|---|---|
| MSRP | Not commercially released | $900 (military) | $3,300+ |
| Capacity | 30+1 rounds | 30+1 rounds | 30+1 rounds |
| Weight | 6.4 lbs (unloaded) | 6.4 lbs (unloaded) | 7.25 lbs (unloaded) |
| Optics-Ready | Yes (integrated) | Yes | Yes |
| Trigger Type | 2-stage | Standard MIL-SPEC | Non-adjustable combat |
| Notable Pro | Highly modular platform | Widely issued and supported | Battle-proven in NATO |
| Notable Con | Unobtainable for civilians | Limited piston options | Price and proprietary parts |
Best Use Cases
- Military and law enforcement evaluations
- Firearms research and development reference
- Collector-grade display pieces
- Historical exhibitions or educational institutions
FAQs
What is the XM8 rifle?
The XM8 is a prototype modular assault rifle developed by H&K for U.S. military trials starting in 2002.
Can I legally own an XM8 rifle?
The XM8 was never mass-produced or offered commercially; civilian ownership is extremely rare and regulated.
How does the XM8 differ from the G36?
The XM8 uses the same operating system as the G36 but improves ergonomics and modularity.
Prefer nearby results? Toggle to search local listings.
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