review & critique of 1969 army tech manual TM 31-210 Small arms & ammo Improvised Munition Handboo..

section 3 for when an easily scavenged smooth bore non obturating over bore pipe &
tube bullet or cartridge perfect fit is as NONEXISTENT as .47", .22", & .72" ID pipe or tube

(5) match tip re priming page 110
(8) match head propellant page 121
(7) 49 - 50 cal muzzle loader page 115 = 3/8" .493"
(10) .223 cal 5.56 page 125 = 1/8".215 SCH80 .405" OD
(4) .308 cal 7.62 page 106 = 1/4" .364"
(1) .357 cal 9.00 page 96 = 1/4" .364"
(9) 38 cal (.355 - .375") page 123, = 1/4" .364
(6) 45 cal (.452 - .455") page 112, = 3/8" .493"
(2) 72 cal12 gauge page 100 = 3/4" .824"
(3) shot shell buffer repacking page 104

.452 - .455" bullet & .47 - .48" chamber "45" cal cartridges
.454" ID, .750" OD, #9 gauge 3/4" tube or
.464" ID, .840" OD SCH160 1/2" pipe 5/32 .46875 drill chambered
vs
.493" ID, .675" OD 3/8" SCH40 pipe in TM 31-210 when instructions show a rifle cartridge? !

.358 - .354" 9.1 - 9mm bullet & .391" chamber 35, 357, 36 & 38 cal, cartridges
.359" ID, .675" OD SCH160 XXS 3/8" pipe, 9.12 mm or
.357" ID, .625" OD #10 gauge 5/8" tube or
.356" ID, .500" OD #15 gauge 1/2" tube .39" 25/64" chamber drilled
vs
.364" ID, .540" OD 1/4" SCH40 pipe ? in TM 31-210

.3 bore , .308 Bullet, & .471 Base & .473 Rim chamber 7.62 cartridge in
a 15/32 .46875 drilled & sand paper "rifled"
.302" ID .540" OD SCH80 1/4 pipe ?
VS
.493" ID .675" OD SCH40 3/8 pipe & .011" & shim chambered ?
.364" ID .540" OD SCH40 1/4" pipe bore
joined via 3/8 to 1/4 reducer/coupler as in TM 31-210

.73" bore & .81" chamber 12 gauge shell in a 13/16" drill chambered
.732" ID 1.00" OD #10 gauge 1" tube or
.742" ID 1.05" OD SCH 80 3/4" pipe,
vs
.824" ID, 1.05" OD SCH40 3/4" pipe ? in TM 31-210

militarynewbie.com/wp-content/uploads/2013/11/TM-21-210-Improvised-Munitions-Handbook-1969-Department-of-the-Army.pdf
archive.org/details/tm-31-210-improvised-munitions-handbook-in-toy-story-1995

http://en.wikipedia.org/wiki/TM_31-210_Improvised_Munitions_Handbook
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