ASG Accuracy International MK13 Compact Spring Black: specs, joules & FPS

Complete specs ASG Spring

ASG Accuracy International MK13 Compact Spring Black: 1.8 J, 439.63 FPS, 3,800 g, 50 rounds. Official specs.

Power

Energy1.8 J
Velocity439.63 FPS134 m/s

Above Italy's 1 J limit

Italian shops sell versions tuned below 1 J: ask the shop which version they ship.

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

BrandASG
ModelAccuracy International MK13 Compact Spring Black
Manufacturer code19626
CategoryAssault rifles & carbines
Power sourceSpring
Weight3,800 g
Length940 mm
Inner barrel380 mm
Magazine50 rounds
Hop-upAdjustable
EAN / UPC5707843085205

Weighs 3,800 g: heavier than 78% of spring replicas in the same category in the database (54 with weight).

Similar alternatives

Replicas of the same type and category that stay within the Italian 1 J limit.

ReplicaEnergyFPSWeight
Tokyo Marui M40A50.84 J3003,400 g
KTW Lee Enfield No.4 Sniper Classic Rifle (Spring Power)0.84 J3003,360 g
KTW Type 38 Carbine Sniper Classic Rifle (Spring Power)0.84 J3002,750 g
Tokyo Marui L96 AWS0.63 J2603,460 g
Tokyo Marui VSR-ONE0.84 J3002,100 g

Velocity with different BB weights

At the same energy, heavier BBs leave the barrel slower. Expected velocity with the most common weights:

BB weightFPSm/s
0.20 g440134
0.25 g394120
0.28 g372113
0.30 g359110
0.32 g348106
0.36 g328100
0.40 g31195

Theoretical calculation at constant energy (1.8 J). Real-world values can differ slightly with hop-up and replica.

Try other values in the joule ↔ FPS converter →

Data source

Every value on this page comes from the manufacturer's official product page, checked on 2026-11-07.

Official ASG product page ↗ actionsportgames.com

Spotted a wrong or missing value? Let us know.

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