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David's Sling vs Zolfagar: Cost-Exchange Ratio & Combat Analysis

Compare 2026-03-21 3 min read

Overview

This analysis compares the David's Sling, a Israel Mid-tier 40-300km system costing $1.0M per unit, against the Zolfagar, an Iranian SRBM costing $300K per unit. The cost-exchange ratio of 3.3:1 favors the attacker — meaning it costs the defender 3.3x more to intercept than the missile cost Iran to produce. Mid-tier defense system with Stunner dual-seeker interceptor for 40-300km threats Solid-fueled short-range ballistic missile with 700km range and terminal guidance

Side-by-Side Specifications

DimensionDavid S SlingZolfagar
Unit Cost $1.0M $300K
Cost-Exchange Ratio 3.3:1 3.3:1
Range Mid-tier 40-300km 700 km
Inventory ~180 ~400
Annual Production 50/yr
Role Mid-tier 40-300km SRBM
Manufacturer Rafael + RTX Iran / IRGC
Fuel Solid rocket

Head-to-Head Analysis

Cost-Exchange Economics

The David's Sling costs $1.0M per unit while the Zolfagar costs just $300K, creating a 3.3:1 cost-exchange ratio. Unfavorable for the defender. The attacker has significant cost advantage.
The Zolfagar has a 3.3:1 cost advantage over the David's Sling. This asymmetry is a key factor in the conflict's economic sustainability.

Inventory & Depletion

Coalition forces have approximately 180 David's Sling interceptors with annual production of 50 units. Iran maintains an estimated 400 Zolfagar units.
Iran holds a 2:1 inventory advantage in this matchup.

Tactical Engagement

The David's Sling engages the Zolfagar during the flight phase. At 700km range, the Zolfagar is primarily a medium-range threat. Stunner dual-seeker. Upgraded for BMs.
The David's Sling is designed to counter threats like the Zolfagar, but sustained engagement at 3.3:1 cost ratios creates long-term sustainability challenges.

Scenario Analysis

Mass salvo of Zolfagar missiles

In a saturation attack using Zolfagar systems, the David's Sling battery would need to engage multiple targets simultaneously. At $1.0M per interceptor, a salvo of 4 Zolfagar missiles would cost $1.2M to launch but $4.0M to intercept.
Zolfagar

Extended conflict (30+ days)

Over 30 days of sustained combat, the David's Sling inventory faces significant depletion pressure. Annual production of 50 units translates to just 0.1 per day — far below consumption rates during active operations. Meanwhile, Iran produces approximately 3.3 ballistic missiles and 6.7 drones per day.
Attacker (Iran) — production outpaces defender replenishment

Complementary Use

The David's Sling should be integrated into a layered defense architecture, not relied upon as a standalone solution against Zolfagar threats. Cost-effective lower-tier systems (Iron Dome at $80K, or Iron Beam laser at $2/shot) should handle cheaper threats when possible, preserving expensive David's Sling interceptors for high-value targets.

Overall Verdict

The David's Sling vs Zolfagar matchup produces a 3.3:1 cost-exchange ratio favoring the attacker. For sustained conflict planning, interceptor production ramp-up and cost-reduction programs are critical to maintaining defensive capability.

Frequently Asked Questions

Related Topics

David's Sling vs Fateh-110 Iron Dome vs Zolfagar David's Sling vs Emad David's Sling vs Fattah-2 David's Sling vs Ghadr-110 David's Sling vs Hoveyzeh

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