Injection device comprising a tubular elongated main body, a needleshield, a needle shield link, an enclosure containing medicament, a needleconnected to said enclosure, a plunger operatively arranged to said enclosureandarranged with a number of outwardly extending stop members, spring meansarranged to said plunger for operating said plunger, a dose activating means,aneedle shield spring surrounding the needle shield link and a rotatabletubularmember. The invention further comprises means for dose setting, priming andinjecting, as well as means for locking the shield in an extended positionafterinjection.