1 is a seekins precision flash hider. 

3 are Yankee Hill. These will all fit the phantom series cans. They will also fit the resonator and resonator k in 30 cal. The 5.56 ones will also fit the turbo and turbo k. 

YHM 
1) 30 cal 5/8x24 threads $70

2) 5.56 1/2x28 shorty $70

3) 5.56 1/2x28 $50

4) Hub adapter for phantom QD brakes. Comes with spanner wrench. Will fit any hub compatible suppressor and allow for use of the above brakes. - $70

$220 for all the YHM devices. 

1) Seekins 1/2x28 flash hider - $30

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