is of the best mode presently contemplated for carrying out the invention this description is not to be taken in a limiting sense but is made merely for the purpose of describing one or more preferred embodiments of the invention the scope of the invention should be determined with reference to the claims in the following description cylindrical outside surfaces are referred to as lands and cylindrical inside surfaces are referred to as steps in the following description forward is in the direction of fire of the rifle and rearward is towards the rifle butt a side view of a rifle 10 and suppressor 12 according to the present invention is shown in fig1 a side view of the rifle 10 with the suppressor 12 removed and showing a muzzle adapter 14 for the suppressor 12 is shown in fig1 b a side view of the muzzle adapter 14 alone is shown in fig2 and a side view of the suppressor 12 alone is shown in fig3 the suppressor 12 is attached to the muzzle adapter 14 by a quick disconnect mount the suppressor rear 12 u2032 slides over the muzzle adapter 14 when the suppressor 12 is attached to the barrel 16 a detailed side view of the suppressor 12 partially attached to the muzzle adapter 14 is shown in fig4 a cross sectional view of the suppressor 12 taken along line 4.