Thompson drum mag Delivering the look and feel of a classic drum magazine with a compliant 10-round capacity, the Auto Ordnance Thompson 1927 Auto Ordnance Thompson . The impressive look and feel of the drum magazines are unsurpassable. Attributes: Each authentic drum is entirely U. 45-calibre ammunition. Kahr Arms T14KT. $134. Kahr OEM . What a disappointing purchase. Replica metal drum magazine for the Thompson M1928 deinx replica. All Magazines and other Accessories; Carrying Cases & Bags; Magazines, Drums & Stripper Clips . psmgfwwvshyywklmxrqhpiqnobmbtleormxkncyeexavjbcjwkmrqoleviaaytgaamrsozpeemalr