Description
Custom fluted drop-in barrel for 9mm Full-Size P320™
Featuring custom fluting and block serrations, this 416R stainless-forged barrel also features a target crown and QPQ Nitride coating to promote the highest accuracy and wear resistance.
Fluted P320™ Barrel Features
- Custom spiral fluting
- Flush-cut muzzle
- 11-degree target crown
- Black nitride coating
- Heat-treated (42-44 Rockwell hardness)
Barrel Specs & Fitment
- Material: Crucible 416R Stainless
- Twist Rate: RH 1:10
- Fitment: P320™ Full-Size 4.7″
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
- Caliber:
- 9mm
- Size:
- Full Size
- Platform:
- SIG SAUER®
- Caliber:
- 9mm
- Size:
- Full Size
- Platform:
- SIG SAUER®
Frequently Asked Questions
- How fast is shipping?
- Orders ship within 3 business days to your selected Michigan FFL dealer with full tracking info.
- Where can I pick up my firearm?
- Pickups are at licensed FFL dealers in Michigan. Use terms like “gun shop near me in Michigan” or “FFL dealer in Michigan” to locate one.
- Do I need a permit or license?
- For handguns, residents must obtain a License to Purchase (unless they already hold a CPL). Long guns from FFL dealers require no additional permits—per Michigan law.
- Can I carry this concealed or openly?
- Michigan is a “shall-issue” state for concealed carry at age 21+. Open carry is allowed without a permit, except in vehicles or specified locations :contentReference[oaicite:20]{index=20}.
- Is this Full Size Barrel for Sig Sauer® P320™ - Spiral Fluted - Black right for me?
- Our Full Size Barrel for Sig Sauer® P320™ - Spiral Fluted - Black is ideal if you’re shopping for: Full Size Barrel for Sig Sauer® P320™ - Spiral Fluted - Black, Handgun Parts. Great options for both beginners and experienced owners.
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Frequently Asked Questions
- How fast will my order ship?
- We ship all orders within 1-3 business days to your licensed Michigan FFL dealer. Tracking info will be emailed.
- What is your return policy?
- Non-firearm items can be returned within 14 days unused. Firearms sales are final after FFL transfer. See full return policy.
- Is the Full Size Barrel for Sig Sauer® P320™ - Spiral Fluted - Black suitable for me?
- Our Full Size Barrel for Sig Sauer® P320™ - Spiral Fluted - Black is popular among Michigan customers for personal defense and sport shooting.