About the Atlas Gunworks 1911 DS/1911 Threaded Bull Barrel This stainless Steel barrel has a Clark/Para ramp with a 29 degree ramp angle. Gunsmith fitting will be required. It is threaded 1/2x28 for use with a suppressor
Features:
5" 9mm Bull Barrel 1/2 x 28" Suppressor Threaded (5.5" OAL)
1/2x28 Suppressor Threads with Thread Protector
Clark/Para Ramp
29° Barrel Ramp
1:16 Twist
Supported Chamber
Greater than 40 Rockwell-C
Certified Stainless Steel Bar Stock
Single Operation Mill-Turn Process from Solid Bar Stock
***Gunsmith Fitting Required***
***Intended for SAMMI Spec. Ammo***
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