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sa LAB °° RATORY —_A_ " 4M ot oy bere REF Vitt Sy ys FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. 20535 To: FBI FILE NO. 1-15200 at es Lap.no, PC-LE533 PR Specimens received 3/10/75 ae a . “ a = K93 -30 carbine caliber U. S. Carbine, Model Ml, Serial: Number 162772$ Result of examination: Test bullets and cartridge cases obtained from the © K93 weapon were microscopically compared to the .30 caliber - bullets, bullet fragments and cartridge cases previously — submitted in this case without effecting an identification.’ An inspection of the K33 weapon revealed ono - pone eS modifications similar to those noted on the four .30 caliber... i - carbines recovered from the debris of the burned residence ae at 1466 East 54th Street, Los Angeles, California, (the scene: *, of the May 17, 1974 shoot-out}. It is noted that these weapons { were .30 caliber U.S. Carbines, Model Ml, which had been modified : so as to permit them to deliver only controlled full-automatic s firs. : The K33 weapon is an unmodified .30 caliber Se, U.S. Carbine, Model Ml, which is capable of delivering. only — — semiautomatic fire. : The test bullets and cartridge cases obtained from the K93 weapon are being placed in the Laboratory's Reference & Fired Specimen File. The K93 weapon is being returned to - the Atlanta Office under separate cover by registered mais. a i. re ‘ we ee