The bolt knob incorporates a knurled ring, supposedly for a far more positive grip. The bolt launch is a little lever for the left in the rear receiver ring. I find this to become a more practical location compared to Model seven hundred's bolt release. This gun is chambered in https://model70featherweightrevie65319.blue-blogs.com/33027399/a-secret-weapon-for-winchester-model-70-classic-featherweight