Thin-profile magazine fill sleeve for P365XL with Sig 15-round magazine. Mark Forged 3D printed. Matches grip width above the mag flare. Not for sale in Washington State. Available at Lakeline LLC, a US Navy Veteran-Owned and Osage Nation Tribe Member-Owned dealer in Houston, TX. No FFL required for this item.
Specifications
Core Specs
| Spec | Value |
|---|---|
| Brand | Lakeline LLC |
| SKU | SS-365XL-SLP-25J |
| UPC | 810142070690 |
| Category | Mag Parts & Accessories |
| Caliber | 9mm Luger |
| Country of Origin | Made in the USA |
| Material | MarkForged Onyx (Micro Carbon Fiber Filled Nylon) |
Installation
| Spec | Value |
|---|---|
| Installation Difficulty | Easy. |
Legal & Policies
| Spec | Detail |
|---|---|
| FFL Required | No - this is an accessory/part, not a complete firearm |
| Restricted States | This item cannot be sold in Washington |
| Return Policy | 30-day return policy |
| Shipping | Free ground shipping on orders over $150, multiple options at checkout |
Product Description
This part is 3D printed on high precision MarkForged industrial printers using proprietary ONYX composite material. ONYX is a micro carbon fiber filled nylon that is 1.4x stronger and stiffer than ABS, with a flexural strength of 81 MPa and a flexural stiffness of 2.9 GPa - a tough material you can depend on.
The P365XL Magazine Fill Sleeve for 15-Round Mag - Thin Profile is designed and manufactured in-house by Lakeline LLC in Houston, TX. Made in the USA. As a US Navy Veteran-Owned and Osage Nation Tribe Member-Owned company, Lakeline builds its own parts and upgrades rather than reselling generic aftermarket components, giving us direct control over fit, finish, and quality.
Backed by Lakeline Lifetime Limited Warranty, this part is built to the same standard we'd want on our own firearms.
Why Buy From Lakeline LLC
Lakeline LLC is a US Navy Veteran-Owned, Osage Nation Tribe Member-Owned company based in Houston, TX.
- Free ground shipping on orders over $150, multiple options at checkout
- 30-day return policy
Questions? Email us at info@lakelinellc.com.
Frequently Asked Questions
Does the P365XL Magazine Fill Sleeve for 15-Round Mag - Thin Profile require an FFL to purchase?
No. This is an accessory/part, not a complete firearm, so it ships without an FFL transfer.
Is the P365XL Magazine Fill Sleeve for 15-Round Mag - Thin Profile available in my state?
This item cannot currently be sold in Washington. Check your local laws before ordering.
How difficult is it to install the P365XL Magazine Fill Sleeve for 15-Round Mag - Thin Profile?
Easy.
Does the P365XL Magazine Fill Sleeve for 15-Round Mag - Thin Profile come with a warranty?
Yes - Lakeline Lifetime Limited Warranty.
What is the return policy on the P365XL Magazine Fill Sleeve for 15-Round Mag - Thin Profile?
30-day return policy
