+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Lancer L15 Magwells Up to 15% Off w/ Free Shipping — 3 models

Special offer available for this product. Click here to see!
Lancer L15 Tactical Magwell - 999-000-2100-30
Lancer L15 Standard Magwell - 999-000-2100-29
Lancer L15 Competition Magwell - 999-000-2100-31
Lancer L15 Competition Magwell - 999-000-2100-31
Lancer L15 Competition Magwell - 999-000-2100-31
Lancer L15 Tactical Magwell - 999-000-2100-30
1 of 5 images
Lancer L15 Tactical Magwell - 999-000-2100-30
Lancer L15 Standard Magwell - 999-000-2100-29
2 of 5 images
Lancer L15 Standard Magwell - 999-000-2100-29
Lancer L15 Competition Magwell - 999-000-2100-31
3 of 5 images
Lancer L15 Competition Magwell - 999-000-2100-31
Lancer L15 Competition Magwell - 999-000-2100-31
4 of 5 images
Lancer L15 Competition Magwell - 999-000-2100-31
Lancer L15 Competition Magwell - 999-000-2100-31
5 of 5 images
Lancer L15 Competition Magwell - 999-000-2100-31

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
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
See 2 More Answers
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
View All Q&A You Have a Question? Ask!
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. ...
Read More...
17/19 found this helpful
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 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...
Read More...
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 4 Reviews
Show In Stock Only
3 Models Available
Search

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 Systems L15 Magwell Extension - 999-000-2100-31 , MPN: 999-000-2100-31 , UPC: 738435615680 , Code: 7UD-MZW-LA999000210031-999-000-2100-31

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
Compare (0)
1 item has been added
Add at least two items to compare