CMMG MkW-15 Rifle Magazine .458 SOCOM Lancer 10/rd
$23.97
CMMG-modified Lancer L5-AWM magazine for .458 SOCOM, reliable feeding for MkW-15 rifle. Polymer body with steel feed lips.
8 in stock
After extensive testing of magazines on the market for 458 SOCOM the Lancer L5 Advanced Warfighter Magazine was the top choice due to the polymer body and steel feed lips. The CMMG-modified Lancer L5-AWM takes this top of the line magazine and perfects it for the wide range of 458 SOCOM on the market by modifying the way the feed lips hold the 458 SOCOM without machining or weakening the steel feed lips. Laser Engraved 458 SOCOM. 10 round capacity. NOTE: This magazine is a modified 30rd 5.56 magazine and as such can still hold 30rds of 5.56 ammo. The magazine has been modified to function properly with 10rds of .458 SOCOM but will physically hold 11rds if forced. Due to the many state restrictions on magazine capacity we will not ship these magazines to individuals in the following restricted states:
- Hawaii
- Maryland
- Massachusetts
- New Jersey
- New York
- California
- Connecticut
- Colorado
- Washington D.C.
- Chicago Aurora Oak Park Illinois
- South Bend Indiana
FEATURES:
- Hardened steel feed lips
- Impact resistant polymer body
- Top of magazine catch is steel
- Non-tilt follower
- Constant curve internal geometry
- Stainless steel spring
- Aggressive texturing on body for positive grip
- Slim body design
- Slide on bottom easy to dissemble
- Designed Tooled Manufactured and Assembled in the USA
| Weight | 0.300 lbs |
|---|---|
| Dimensions | 11.500 × 4.500 × 1.000 in |
| Manufacturer | Cmmg Inc. |
| Capacity | 10 |
| Frame Material | Polymer |
| Caliber | .458 SOCOM |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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