King Arms M1A1 CO2 Sniper: specs, joules & FPS
Complete specs King Arms CO2
King Arms M1A1 CO2 Sniper: 1.72 J, 430 FPS, 3,960 g, 15 rounds. Full specs from the official source, with FPS for every BB weight.
Power
Above Italy's 1 J limit
Italian shops sell versions tuned below 1 J: ask the shop which version they ship.
Energy computed from the velocity with 0.20 g BBs, the standard weight manufacturers and shops use to measure FPS.
For information only, based on the source's data for this version. Not legal advice: always check current local law and the version the shop sells.
Technical specifications
| Brand | King Arms |
|---|---|
| Model | M1A1 CO2 Sniper |
| Category | Assault rifles & carbines |
| Power source | CO2 |
| Platform | M1A1 |
| Weight | 3,960 g |
| Length | 950 mm |
| Magazine | 15 rounds |
| Hop-up | Adjustable |
Weighs 3,960 g: heavier than 98% of CO2 replicas in the same category in the database (65 with weight).
Similar alternatives
Replicas of the same type and category that stay within the Italian 1 J limit.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| VIVA Arms Mosin Nagant M44 Carbine (Real Wood CO2 Version) | 0.95 J | 320 | 3,760 g |
| GHK AK74 GBBR | 0.95 J | 320 | 3,460 g |
| Northeast FAMAS F1 GBB | 1.56 J | 410 | 3,630 g |
| King Arms M1 Carbine CO2 Sniper Classic Rifle | 1.72 J | 430 | 2,450 g |
| GHK M4 GBBR (Daniel Defense RIS II FSP, COLT Licensed) (V2) | 1.49 J | 400 | 3,350 g |
Velocity with different BB weights
At the same energy, heavier BBs leave the barrel slower. Expected velocity with the most common weights:
| BB weight | FPS | m/s |
|---|---|---|
| 0.20 g | 430 | 131 |
| 0.25 g | 385 | 117 |
| 0.28 g | 363 | 111 |
| 0.30 g | 351 | 107 |
| 0.32 g | 340 | 104 |
| 0.36 g | 321 | 98 |
| 0.40 g | 304 | 93 |
Theoretical calculation at constant energy (1.72 J). Real-world values can differ slightly with hop-up and replica.
Data source
The values on this page come from the product page of the shop redwolfairsoft.com, checked on 2026-11-07. The manufacturer does not publish full specs: values may refer to the version that shop sells.
Shop product page ↗ redwolfairsoft.com
Spotted a wrong or missing value? Let us know.