Crane Division, Naval Surface Warfare Center, Code 1162 Bldg 2521, 300 Highway 361, Crane, Indiana 47522-5001

10 -- BACK UP IRON SIGHT TO BE PLACED ON M4A1 CARBINE SOL N00164-97-R-0047 DUE 060297 POC Mr Don Ellison, Contract Specialist, 812-854-5774, FAX 812-854-5095 (Mr A. Banks, Contracting Officer) WEB: Click here to review Crane's Acquisition Dept. Home Page, http://www.crane.navy.mil/Webpages/Supply/homepages.htm. E-MAIL: Click here to contact the Contract Specialist via e-mail, ellison_db760@crane.navy.mil. The above referenced solicitation is hereby amended as follows: A. On page 12 of the solicitation, paragraphs 3.1.1 and 3.2.4 of the BACKUP IRON SIGHT SPECIFICATION are replaced by the following revised paragraphs: 3.1.1 Configuration. The Backup Iron Sight aperture assembly shall fold to the rear for storage when not in use. The Backup Iron Sight in both the folded and up positions shall not interfere with charging the Carbine. The Backup Iron Sight shall be mounted in the first URG slot from the rear of the receiver, and it shall not protrude forward more than 0.540 inch from the back edge of the rear mounting slot. It shall not protrude rearward more than 2.40 inches from the back edge of the rear mounting slot. Refer to the maximum height and length dimensions of paragraph 3.2.4. 3.2.4 Length, Width, Height. The Backup Iron Sight shall have a maximum length of 2.60 inches in the folded position. The length goal is 2.30 inches in the folded position. The maximum width of the Backup Iron Sight shall be 2.00 inches. The width goal is 1.80 inches. The Backup Iron Sight mounted in the folded position in the first URG slot from the rear of the receiver shall not interfere with the mounting of the M4A1 ACOG 4X Scope with its rear clamp screw in the fourth slot of the URG. The following height zones will allow the ACOG to be mounted as specified: Height shall not exceed 0.610 inch forward from the front edge of the first UFG slot. Height shall not exceed 0.700 inch from the front edge of the first URG slot rearward 0.90 inch. Height shall not exceed 0.825 inch at any point beyond 0.90 inch rearward from the front edge of the first URG slot. The height goal is 0.45 inches in the folded position. B. The due date and local time for receipt of offers is extended to 02JUN97 by 2:00 PM EST. C. NWSC Crane point of contact is Mr Don Ellison, Contract Specialist, 812-854-5774, FAX 812-854-5095, or e-mail address of ellison_ db760@crane.navy.mil. (Mr A. Banks, Contracting Officer). (0132)

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