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Lancer L15 Magwells Up to $3.36 Off w/ Free Shipping — 2 models

Lancer L15 Standard Magwell - 999-000-2100-29
Lancer L15 Tactical Magwell - 999-000-2100-30
Lancer L15 Standard Magwell - 999-000-2100-29
1 of 2 images
Lancer L15 Standard Magwell - 999-000-2100-29
Lancer L15 Tactical Magwell - 999-000-2100-30
2 of 2 images
Lancer L15 Tactical Magwell - 999-000-2100-30

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Questions & Answers
Is this for an ar-15? Expert Answer

Yes. These Lancer L15 Magwells are one-piece magwells designed to fit milspec AR-15 rifles and standard forged lower receivers with removable trigger guards.

by Ethan, Gear Expert, May 2, 2022
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How does this secure to your mag well? Expert Answer

The Lancer L15 Magwells mounts to your AR15 magwell with the use of an included spring pin.

by Ethan, Gear Expert, May 2, 2022
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Customer Reviews
Helpful Negative Review
WILL NOT WORK WITH STANDARD AR15 MIL SPEC LOWERS by RevSims16, Verified Owner, June 4, 2022
I bought this part after reading both the specifications that optics Planet says "will fit most m4, m16 and ar15 mil spec lowers". I also read the question people asked "will this fit an ar15?" and someone replied saying it will fit mil spec lowers. ...
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17/19 found this helpful
Most Recent Reviews
Read full description and other comments before purchase. by Hunter, Verified Owner, July 3, 2025
I personally messed up not reading the previous comments to this product and come to realize this would not fit on a standard ar15 lower. That doesn’t mean this isn’t a good product and I will not give a bad review based on that, this part is solid w...
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0/1 found this helpful
Most Recent Reviews
Doesn’t fit. by Nick, member from Fl, Verified Owner, September 23, 2025
Purchased this item for my AR. Optics planet’s description says “will fit MILSPEC lower”. BUT, it doesn’t. I later found out that it’ll only fit LANCER L15 lower receivers. A reviewer also suggested Optics planet update the description but that didn’...
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Most Recent Reviews
I’m keeping it! by Nick, member from Fl, Verified Owner, August 30, 2025
Purchased this item hoping that it’ll fit my Sig and or Sharps lower. BUT NOOO! Doesn’t fit but, It’s okay though cause I’m keeping it. Planning on building either a 22 or 6mm ARC someday and will find a lower that’ll fit.
Most Recent Reviews
Lancer's L15 by Jayce, Verified Owner, October 27, 2024
An older concept that I found while looking through the internet, not that common and kind of expensive - but Lancer Systems L15 lower is quite nice. It comes with pieces for their AMBI bolt release and their own texturized mag release. It's a bit of...
Read More...
Read All 5 Reviews
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2 Models Available
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Product Info for Lancer L15 Magwells

Upgrade and power up your firearm with Lancer L15 Adaptive Magwells. These AR 15 Parts from the fine folks at Lancer Systems fits most standard forged lower receivers for the ultimate in customization and modification. Thanks to the included rubber gaskets, the Lancer L15 AR-15 Magwells provide a snugger, tighter, rattle-free fit compared to standard models. Increase your overall effective diameter without breaking the bank with this all-in-one tool. Decrease your overall reloading time with Lancer L15 M4 Magwells.image

Specifications for Lancer L15 Magwells:

Manufacturer: Lancer Systems
Condition: New

Features of Lancer L15 Adaptive Magwells, 7UD-MZW-LA999000210031

  • Available in one-piece and two-piece configurations (see chart below for compatibility details)
  • Designed for milspec AR-15 rifles and standard forged lower receivers with removable trigger guards
  • Machined from 6061 T6 aluminum
  • Includes rubber gaskets for a snug rattle-free fit
  • Compatible with most standard M4/M16/AR15 pattern magazines

Package Contents:

  • Lancer L15 Magwells, 7UD-MZW-LA999000210031

Lancer L15 Magwells Orderable Models

List of Orderable Models

  • Lancer Systems L15 Magwell Extension - 999-000-2100-30 , MPN: 999-000-2100-30 , Code: 7UD-MZW-LA999000210031-999-000-2100-30
  • Lancer Systems L15 Magwell Extension - 999-000-2100-29 , MPN: 999-000-2100-29 , UPC: 738435615666 , Code: 7UD-MZW-LA999000210031-999-000-2100-29

Lancer L15 Magwells Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Lancer Systems L15 Magwell Extension - 999-000-2100-29 , MPN: 999-000-2100-29-EDEMO , Code: 7UD-MZW-LA999000210031-999-000-2100-29-EDEMO-IN-B
  • USED, Lancer Systems L15 Magwell Extension - 999-000-2100-30 , MPN: 999-000-2100-30-EDEMO , Code: 7UD-MZW-LA999000210031-999-000-2100-30-EDEMO-RE-B
  • USED Lancer L15 Tactical Magwell - 999-000-2100-30, EDEMO1, Used, Condition Fair, Scratches , MPN: 999-000-2100-30-EDEMO1 , Code: 7UD-MZW-LA999000210031-999-000-2100-30-EDEMO-SC-D
  • Lancer Systems L15 Magwell Extension - 999-000-2100-31 , MPN: 999-000-2100-31 , UPC: 738435615680 , Code: 7UD-MZW-LA999000210031-999-000-2100-31
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