BILSON ARMS BILSON A3FSSFG20R1 BA15FC 6ARC 18 20R
$1,973.50
The Bilson Arms A3FSSFG20R1 BA15FC is a 6mm ARC AR-platform rifle with an 18-inch barrel, 20-round capacity, and durable FDE/SNPGRN Cerakote finish, built for precision hunting and target shooting. Reliable, accurate, and ready to ship.
Description
The Bilson Arms Bilson A3FSSFG20R1 BA15FC 6ARC 18 20R is a purpose-built AR-platform rifle chambered in 6mm ARC, designed for shooters who demand precision and reliability in a general-purpose rifle. This model combines a 18-inch barrel with a 20-round magazine capacity, finished in FDE/SNPGRN for a durable, low-visibility appearance. Built by Bilson Arms, it offers a balanced platform for hunting, target shooting, and tactical applications, delivering consistent accuracy and robust performance.
| Manufacturer | Bilson Arms |
|---|---|
| Model | Bilson A3FSSFG20R1 BA15FC |
| Material | 7075-T6 aluminum upper and lower receivers (per manufacturer specs) |
| Compatibility | AR-15 pattern lower receivers, 6mm ARC magazines |
| Finish | FDE/SNPGRN (Flat Dark Earth / sniper green Cerakote) |
| Weight | Approximately 7.2 pounds (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- 6mm ARC Chambering – Why it matters: This cartridge bridges the gap between 5.56 NATO and 7.62×39, offering flatter trajectories and better wind-bucking performance at extended ranges, ideal for varmint hunting and precision shooting.
- 18-Inch Barrel – Why it matters: The 18-inch length balances velocity gains with maneuverability, providing a 100-150 fps boost over a 16-inch barrel without the bulk of a 20-inch, making it a versatile choice for field use.
- FDE/SNPGRN Cerakote Finish – Why it matters: This two-tone coating resists corrosion, scratches, and harsh weather, while the low-visibility color scheme reduces glare and blends into natural environments during hunting or tactical operations.
- 20-Round Magazine Capacity – Why it matters: Sufficient for extended shooting sessions without frequent reloads, yet compact enough for prone or bench shooting, giving you 20 rounds of 6mm ARC on tap.
- AR-15 Platform Compatibility – Why it matters: Built on a standard AR-15 pattern, this rifle accepts most aftermarket triggers, stocks, and handguards, allowing you to customize it to your exact preferences without proprietary parts.
Who It’s For
This rifle suits the traditional shooter who values a proven platform with modern chamberings. It’s for the hunter who wants a lightweight, flat-shooting rifle for deer or predators, the target shooter who needs consistent accuracy at 600 yards, and the collector who appreciates a well-finished, factory-built AR. If you’re a quality-conscious buyer who prefers a complete rifle over building from parts, this is a solid choice.
Pros / Cons
- Pros: Flat-shooting 6mm ARC cartridge, durable Cerakote finish, reliable AR-15 platform, good weight balance for field carry.
- Cons: 6mm ARC ammunition is less common than 5.56 or .308, so stocking up may require planning. The FDE/SNPGRN finish may not appeal to those who prefer all-black or camo patterns.
Comparison
| Feature | Bilson Arms A3FSSFG20R1 | Geissele Super Duty 6ARC | Zev Technologies AR 6ARC |
|---|---|---|---|
| Caliber | 6mm ARC | 6mm ARC | 6mm ARC |
| Barrel Length | 18 inches | 16 inches | 18 inches |
| Finish | FDE/SNPGRN Cerakote | Black anodized | Black nitride |
| Weight | ~7.2 lbs | ~6.8 lbs | ~7.4 lbs |
| MSRP | $1,762.05 | $2,100 | $2,400 |
FAQ
What type of ammunition does this rifle use?
This rifle is chambered in 6mm ARC (Advanced Rifle Cartridge), which uses a 6mm (.243 caliber) bullet. It accepts standard 6mm ARC factory loads from Hornady and other manufacturers. Do not use 5.56 NATO or .223 Remington ammunition in this rifle.
Is this rifle compatible with standard AR-15 parts?
Yes, the Bilson Arms A3FSSFG20R1 uses a standard AR-15 lower receiver, so it accepts most aftermarket triggers, grips, and stocks. The upper receiver is also AR-15 pattern, but the barrel, bolt, and magazine are specific to 6mm ARC. You’ll need 6mm ARC magazines (such as Duramag or C-Products) for proper feeding.
What is the effective range of the 6mm ARC in this rifle?
With an 18-inch barrel, the 6mm ARC is effective on deer-sized game out to 400 yards and on steel targets out to 800 yards. It retains supersonic velocity past 1,000 yards with heavier bullets. Per Bilson Arms specs, this barrel is optimized for 108-grain projectiles.
Can I use this rifle for hunting?
Yes, the 6mm ARC is excellent for varmints (coyotes, prairie dogs) and medium game (deer, hogs) at moderate ranges. The FDE/SNPGRN finish reduces glare in the field, and the 18-inch barrel keeps it handy in brush or a blind. Check your local regulations for caliber restrictions.
Trust & Delivery
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships 1-2 business days
- ✅ 30-day returns
- ✅ Secure checkout
Last updated: April 2026
Browse more options in our AR Rifles category, or check out AR Uppers and AR Parts for customization.
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