Nice Work, Correct Answers.
Your Answer: (A) 64 HRC
Glock have been at the forefront of firearm technology for decades. Using Tenifer for the slide and barrel increases the strength and operational life of each pistol.
Answer: (B) 3
The Glock trigger has three separate safety devices attached to it which are disengaged sequentially as the trigger is pulled.
Answer: True
Although the frame was made of polymer, which is hard to see under x-ray, the idea that it was invisible is impossible as the pistol contains a steel barrel, magazine, steel springs and all the internal workings. Not to mention the fact that bullets are made of metal too. It shows up very clearly on any x-ray or metal detector scan.
Answer: (A) 5.5 lb
5.5 lb or 2.5 kg of force is required to pull the trigger and fire the pistol. Kits are available to reduce this amount for competition shooting and the like.