Nowlin · Barrels
Bull Barrel, 40 S&W Government
Compatibility with Rock Island Armory ROCK Ultra FS
Part number RB-5BBG-40
Compatibility
Modification required
- Model
- Rock Island Armory ROCK Ultra FS
- Part number
- RB-5BBG-40
- Based on
- Manufacturer documented
Based on manufacturer documentation or support information.
Nowlin sells this as a gunsmith-fit barrel. Bull (bushingless) barrel: fits slides cut for a bull barrel. Fits the 40 S&W version only.
Check your exact model and part before ordering. Fitment limits
Member experience
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