Shotgun Armbar
Shotgun armbar — the wrist trapped in the attacker's armpit with their own forearm as the fulcrum under the elbow. Played from K-guard, Z-guard and the clamp, and from the top pins.
Adapted from InGrappling, Shotgun Armbar. System Games did not invent this curriculum.
FamilyArmbarLevelAdvancedPerspectiveBottomIntentOffensiveSafetyElevatedHubArmbar systemMapView on graph →This technique has elevated risk. Make sure you've covered the prerequisites before attempting.
Manage injuries →Position map Connects to 6 positions across 4 relationshipsOpen in the map →1234567←Enters from
The shotgun armbar traps the opponent’s wrist in the attacker’s armpit and uses the attacker’s own forearm as the fulcrum under the elbow. The arm is shouldered like a firearm, which is where the name comes from. It hyperextends the elbow, so it sits squarely inside the armbar family — the standard armlock taxonomy lists it as one of three armbars.
What separates it from every other armbar is what is under the elbow. A juji-gatame puts the attacker’s hip there and needs the hip-through to get it. The shotgun puts the attacker’s forearm there and needs nothing but the trap, which is exactly why it lives in positions where the hips cannot travel: underneath a passer, or square on top of a pin. That single question — forearm or hip — is the reliable way to tell this attack from the ones it is confused with.
This page covers the version played from the bottom, where the attack belongs to the guards — K-guard as the flagship, the one platform with a dedicated instructional built around it, with the Z-guard and knee shield close behind. The same grip is used from the top pins, and there the engine reverses; that is a separate technique, and the contrast between the two is the most useful thing either page has to offer.
Elevated RiskShotgun Armbar is an elevated risk technique. The shotgun armbar hyperextends the elbow against the attacker's forearm rather than their hip, which puts the fulcrum much closer to the joint than a standard armbar does. A short lever means small movements produce large angular change at the elbow, and the posterior capsule, the UCL and the radial head all take load with almost no travel. From the top the danger is compounded because the attacker's body weight supplies the force, which is why judo disqualifies dropping into this position. From the bottom the finish arrives during a back roll, with both bodies moving and no static moment in which to make a decision. Tap on the trap, not on the extension. Serious injury can occur fast — the fulcrum sits close to the joint, so the interval between loaded and injured is short from either line.
If you are new to this technique: read this section before anything else. Understanding the danger is part of understanding the technique.
The person applying the technique is responsible for releasing immediately.