11. These bodies use Autococker threaded barrels and Angel threaded feednecks and ball-detents . 12. There is a delicate detent mechanism to help the player find the center position tactually. 13. A detent escapement has a strong advantage over other escapements as it needs no lubrication. 14. The tritium front post installs into the front sight base using a detent and spring. 15. The rotation has clearly felt detents . 16. The mounting hardware is often manually removable standard-screw-detent quick-release fittings. 17. With a larger detent interval, fewer images are needed to capture a complete panoramic scene. 18. The trigger guard pivots down for stripping and detents in position through a spring-loaded plunger. 19. The aircraft was quickly stopped; Pugachyov later took off without the use of blast deflectors or detents . 20. The stock breech is threaded to accept Autococker threaded barrels and has a pair of rubber ball detents .