M4 type barrel only; assembly less handguards, gas tube, delta ring kit andflash suppressor
No other part numbers with same form, fit, and function found.
Classification: Parts and accessories for military rifles of heading 9301
NSN 5945-01-390-2672
NSN 5945-01-386-5718
NSN 5895-00-530-5310
NSN 5985-01-607-5859
NSN 5895-00-156-8601
NSN 5975-01-289-8315
NSN 6320-01-155-8295
NSN 5950-01-313-8408
NSN 5985-01-158-7487
NSN 5855-01-250-2421
NSN 7035-00-541-8516
NSN 6650-01-201-2956