british rifle automatic 1950 caliber 280

8/12/2019 British Rifle Automatic 1950 Caliber 280

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lA/MP 3

MINISTRY OF SUPPLY

LONDON

1950



I

All: .P 23



frontispie e



3

To eneage appr

opriate ta r

g

ets

w

i th eff

e

ctive r i

f

l gr

en

ad

e f

i re .

To

use the

weapon ef

fect i

v

el,y, with

t he ba

yonet

in

close

q

uar

t er f i

gh tin

g.



Optical

sight

Initiation of

f ire

with breech block

in

locked

position

Charger loading device incorporated

in

the magazine

A/M-P 23



h e s t

position

.



I

I

L

.I

A; J P .23



I

A/J I

P 23

I



/

4)

Place

t ip

of pointer

on

selected point of

aim,

at

l O O ~ d s J



5)

1 .A /l. :P.23

At ranges over 100-yds. aim

as

explained above.

Keep the sight

upright.

.

sequence i s as before. AUI - FIRE - OBSERVE -RE-AIM.



The slow rate of f i re is 10 rounds per unnute.

I-S '1I P ,23



barre l

block,

and cocks

the

hallmer

which i s

retained

y

the

upper ·

sear . After

the breech

block



unlocked, it i s carried. to the

r ear

under the influence of the

piston,

carrying

with it the

fire

cartridge case

on

the extractor,

unt i l

the

ejector c lears

it

through

the

ejection opening

in the

body. .

i.A,IM.P.23



5. Hammer retained

by

upper sear.

lower

sear; ready

for

firing. which

in

turn operates

fir ing

pin



:

TRIGGER

SPRING

ROD



CHANGE

LEVER

H



With the change lever

t

automatic, pressure on the t r igger actuates lower sear lev

in turn releases the hanmer.

The hammer

under

the

inf luepce of i t s

spring,

str ikes the up

of

the haminer

lever,

pivoting

the

lower

part of the

hammer lever

forward,

and

s t r ik in

g

the

f

I.A/M.P.23

.

p

ull

bac

k

cocking

hsndle;

replace

magazine;

a:im

g_un

and

fll-e.

~

f cocking handle

s tops

to the :rear,

. i t

indicates , NOT

a

stoppage, but an

empty magazine



Ln;

Ir.mediate

action.

Remove

empty magazine; replace

fu l l

magazine; a im gun and

f i r e ;

I A/MP 23



-

(a)

i t h d r a w

p

iston

and

breech

block

s l i

sht ly

from

the

barre l

block,

withdraw

hammer

retainin3

pin,

and vlithdt'avr haxmter

unit

forward frrn.

block,

ensurine that

the top and bott



levers are NOT

p

ressed to

c;ethe

'

durin(S the process.

I .P 23

/

forwar

to

r e ie ve

pressure

of spring;

press out

t e

retaining

pin;

r e e as e

pressure

on

rear

of

f ir ing

pin

~ n d

withdraw f i r ing pin and spring from the rear.



I IM P 23

o

e reec oc ,

co aps ng

e

oc ng

ro ers .

ase reec

oc

orwar

n o

ree

when

ful ly

home press piston extension forward, influencing the rol lers into

thei r

lockin

recesses,

and

disengaging the

upper

s .ear from i t s bent in the hammer. Press

lower sear l



upwards,

f ir ing

the hammer; and posit ively locking

the action.

I A/MP

23

R e m o v ~ - .

,

the cylinder cleaning

rod. wire

brush

and

IDDP

without

any further stripping. ·

I A/M .P 23



with

a

spring

catch, to

retain

the projector

on

the

muzzle

of

the

rif le.

~

The grenade

sight (fig.22)

is superimposed on the projector, and consists of an arm slo

and shaped

to give three

ranges - 50-y

ards,

75-yards and 100-yards. The complete s i

ght

can be



r a

ised an

d

lo

1vered

in

t he p

ro

j

ec

t

or,and

is

held

in

position

by a

positionin

g

stud.

I

1\11i

P 23

PROJECTOR



,

,

hee l of

the

butt

may

be

placed

on

the

gr

ound,

the estim

a

ted

t a ngent

elevat

i on appl

ied

to

t he g

u

relRti

on

to

the

gro

und) , and

the

tr igcer pr

es

s

ed with the stra

i bht

fore-fing

er

I

Ajl I .i 3



night

attack)

the

bayonet

position

should be adopted, This

position

would

appear

to

giv

length

during the point and a greater

choice

of handling position, in offence and defenc

disturbing the grip of the hands.



I -A/MP

23



CONFIDENTI L DIS REET



I A/M P 23



Plan

Fore end

moved forward for access to gas

r e ~ l a t o r

~ 3 ~

_.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ' ~ \ U ~ ' I I I ~ ' ~ ' ~ W ~ ' ~ t ~ % ~ M ~ » ' ~ ' ~ M • ~ ' ~ ' ~ ' ~ ' ' m ' ~ ' ~ ' • ' ' M * M i d i M i i M M M M J Z = - s • a s • n a M e : M m m m m m m m m m m m m m m n n m m m m m m m n n m l l m m m i i ~ - .

....

J

or

11

o e



Long

1.odel,

british rifle automatic 1950 caliber 280

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