Dahlgren Division, Naval Surface Warfare Center, 17320 Dahlgren Road, Dahlgren, VA 22448-5100

13 -- 5.56MM FRANGIBLE AMMUNITION SOL N00178-99-R-1023 DUE 031999 POC G. R. Vaughan, Code SD105 (540) 653-7478 WEB: NSWCDD Dahlgren Laboratory Procurement Division Web, http://www.nswc.navy.mil/supply. E-MAIL: G. R. Vaughan, Contracting Officer for N00178-99-R-1023, vaughangr@nswc.navy.mil. The purpose of this amendment is to answer questions received as a result of the synopsis/solicitation that was posted on the Commerce Business Daily (CBDNet), Submission No. 301284 on 23 February 1999. The date, place, and time for submission of offers remain unchanged. The questions and answers follow: 1.Question: Please be more precise when you ask that the offeror meets the minimum requirements established with regards to reducing health and environmental hazards. Answer: The primary health and environmental hazards from firing existing 5.56mm cartridges during outdoor training is lead accumulation downrange and the emission of lead from both the projectile and the primer. Using lead-free ammunition during outdoor training will eliminate lead accumulation downrange thus preventing ground water contamination. Also, during indoor training, using lead-free CQB ammunition will greatly reduce the emission of lead by eliminating the lead emission from the projectile and from the primer if the ammunition utilizes a lead-free primer. 2.Question: What functioning criteria is available for the 5.56mm Frangible Ammunition besides the ANSI/SAMMI Z299.4-1990. Answer: a. Generally, Controlled Penetration Ammunition (CPA) will provide adequate lethality at close quarters, yet limit ricochet and penetration of background materials in order to reduce, to the extent possible, collateral damage to adjacent property and injury to noncombatants outside the immediate vicinity of the target. Specifically, in order of descending priority, 1. CPA will be capable of penetrating more ballistic gelatin than current standard 9mm JHP round fired out of the MP5N, but will not over penetrate (threshold); over penetration is defined as penetrating one half inch of plywood after penetrating 18 inches of 10% ballistic gelatin when fired beyond a range of 7 meters; the objective requirement is that the ammunition simultaneously penetrate soft body armor (12 layers of Kevlar) and an amount of 10% ballistic gelatin not to exceed 18 inches. 2. The hit probability of the CQB weapon using the controlled penetration ammunition will equal or exceed 90% against an E-silhouette at 10m (threshold), 25m (objective). 3. The CPA must be ballistically equivalent to the NATO standard ball to 10m (threshold) 25m (objective); for clarity, ballistic equivalence refers to the exterior ballistics (i.e. trajectory) of the round. 4. The CPA must be as reliable as the 9mm JHP round fired out of the MP5N; for clarity, reliability of the round refers to its ability to allow the weapon to complete its cycle of function with basic ammunition load. 5. CPA must be lead free. Posted 03/03/99 (W-SN304181). (0062)

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