Is a Grenade launcher a Section 1 Firearm Component ?

[Seaspriter]

projecting a stabilised missile

Far be it for me to comment on UK Law (other than Old English Common Law), but the term "stabilized missile" generally refers to an object with fin stabilizers. Please correct me if I'm wrong, but the No.1 cup grenade launcher (I have one) was designed to propel an unstabilized grenade that was also hand-launched. My 1950s Energa grenade launcher on the No.4 MII is a different animal, as the Energa was a Rocket propelled missile grenade with integral fin stabilizers.

The U.S. M-1 Grenade Launchers held a hybrid fin-stabilizer that clipped on the bottom of a pineapple grenade, making it a stabilized missile.

[Bruce_in_Oz]

There's a reason it's called "Criminal Law":

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Join the dots.

[Beerhunter]

My 1950s Energa grenade launcher on the No.4 MII is a different animal, as the Energa was a Rocket propelled missile grenade with integral fin stabilizers.

Nope. It was NOT a rocket. It was propelled by a Ballestite cartridge fired from the rifle. I have fired the 94 Grenade (Energa) from both types of launcher, the No.4 (Mk.1, BTW. I never came across a Mk.2 actually in service.) and the SLR, I think I would have noticed any rocket blast.

[Seaspriter]

Nope. It was NOT a rocket. It was propelled by a Ballestite cartridge fired from the rifle. I have fired the 94 Grenade (Energa) from both types of launcher, the No.4 (Mk.1, BTW. I never came across a Mk.2 actually in service.) and the SLR, I think I would have noticed any rocket blast.

Thanks Beerhunter. I think I may have figured out the confusion. The Energa was not a self-propelled missile (rocket) as you said, but the Super Energa apparently had an internal rocket booster. Wikipedia (certainly not the last word, but always informative) says:

Energa anti-tank rifle grenade is a rifle-launched anti-tank grenade that is propelled by a ballistite-filled blank cartridge. The name Energa comes from the firm in Liechtenstein that designed it, the Anstalt für die ENtwicklung von ERfindungen und Gewerblichen Anwendungen, based in Vaduz.[3]
First produced in the 1950s, by Mecar in Belgium, it was in front-line use by European armies until replaced by disposable tube-launched anti-tank rockets such as the M72 LAW. Although no longer in production, stocks of the grenade still exist and the Energa grenade remains in service with Third World countries. The original Energa grenade could penetrate 200 mm (7.8 inches) of armor[5][6][7] or 500 mm (19.6 inches) of concrete at an angle of impact of 90 degrees. At an angle of impact of 45 degrees, the figures dropped to 100 mm (3.9 inches) and 250 mm (9.8 inches), respectively.
The Super Energa used a rocket booster to extend the grenade's range to 550 meters.[8] The Super Energa could penetrate up to 275 mm (10.8 inches) of armor and 600 mm (23.6 inches) of concrete.

BTW, I love the commentary brought by the gentlemen scholar historians on this site -- Learning something every day.