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1 - Office AIRTEL i - Mr. Sibert ~~ . Tor. SAC, arn Francisco (7-855) April 8, 1976. * wene Fron: . pirestow TPE ©H-15200)~ 7 FI HEARNAP OO: San Francisco Reference San Francisco airtel to Bureau,” te April 1, 1976. . 7 RE: FIREARMS LOCATED AT 288 PRECITA ; AND 625 MORSE STREET/WILLIAM CANN POLICE BTEING a a a The fifth carbine: Gebestnea in Buairtel, dated oe October 17, 1975, was a .30 Carbine caliber Universal ee ' garbine, Serial Number 17687. This*carbine was listed as - ot specimen K141 in Laboratory report. -PC=M2246 PR PU JA, dated ... December 6, 1975, and was described* ‘Ooh pages 8, $3, and 10 of. that report. This carbine is a commercial version of the ~ -30 Carbine caliber U.S. carbine, Model Ml. The barrel of : this carbine is rifled with twelve lands and grooves, right. twist (land width: my 0 040 inch, groove width = .040 inch). ue, The barréls sa Plainfield carbines are rifled |. . / 4 ae with six. grooves, right twist (land width = .048 inch, groove "| cy’. .width = .105 inch). ‘Therefore, the bullets from the WILLIAM Pe Hp sa CANN police killing case Gould not have been fired from the, cu" above-described Universal carbine. woe ar gs 1 - San Francisco {1] - 184-31) (William M. Cann, COP, ucep)::. Combagyer. 8 Ext, Altai — -Files & Comh,,_ idan. = inspection -Entell. u Lebdaratary 2Plon. & EVO, _ ‘Spec. Inv, — . Training Legol. Coun. “oo a sei 29 wr6* ROOM ml Sei UNIT —