Description
The Lancer L7AWM Gen 2 is built for AR-10 and SR-25 pattern rifles chambered in 7.62 NATO, 308 Winchester, and 6.5 Creedmoor. It combines a proprietary lightweight polymer body with hardened steel feed lips that wrap completely around the magazine mouth, maximizing stiffness while preventing dimpling at the front during high-volume shooting.
What sets the L7AWM apart is its hybrid construction approach. Rather than relying on polymer for the feed lips, Lancer engineered a one-piece wraparound steel feed lip assembly. This design prevents the feed lip deformation and wear issues that can plague all-polymer magazine designs. The stainless steel internal spring paired with a non-tilt follower ensures rounds stack consistently and feed smoothly regardless of environmental conditions.
The Gen 2 Improvements Over Original L7AWM
Gen 2 magazines feature an enhanced feed lip geometry and a redesigned floor plate that reduces free stack space to maximize round retention. The stainless steel front guard provides additional protection against wear and dimpling, especially valuable for people putting heavy rounds through their rifles regularly.
Built for Real-World Conditions
Every L7AWM magazine includes a switchable drain lock in the floor plate. Flip it one way and you get open drainage channels for amphibious operations or waterlogged environments. Close it for situations where dust storms or sand could foul up the internal spring and follower. This isn't theoretical stuff either – the design comes from practical feedback across military and law enforcement use.
Manufactured entirely in the USA, the magazine has been tested from -40F to 180F and meets or exceeds military testing standards for impact and chemical resistance. The magazine is compatible with SR-25, DPMS AR-10, SIG 716, LMT, LM308, POF P308, and S&W M&P-10 platforms. Lancer backs every magazine with a lifetime warranty against manufacturer defects.
Key Specifications
- Manufacturer Part Number: L7G220BLK
- UPC: 738435624521
- Capacity: 20 rounds
- Caliber: 7.62 NATO / .308 Winchester / 6.5 Creedmoor
- Magazine Type: Detachable
- Rifle Platform: AR-10 / SR-25 pattern
- Color: Black
- Material: Lightweight polymer with wraparound hardened steel feed lips
- Feed Lip Design: One-piece wraparound PTFE-coated steel
- Follower: Non-tilt polymer with stainless steel spring
- Switchable Drain Lock: Yes, for wet or dusty environments
- Temperature Rating: -40F to 180F
- Country of Origin: United States
- Warranty: Lifetime warranty against manufacturer defects
What’s Included
- Lancer L7AWM Gen 2 20-round magazine
Frequently Asked Questions
Will the L7AWM Gen 2 work with my AR-10?
The L7AWM Gen 2 is designed for SR-25 pattern AR-10s and compatible with platforms including DPMS AR-10, SIG 716, LMT, LM308, POF P308, and S&W M&P-10. It will not work with Armalite AR-10B, HK417, FN SCAR 17S, or rifles using M14, FN FAL, or HK G3 style magazines. If you're unsure about your platform, check your rifle's magazine pattern before purchasing.
What's the advantage of steel feed lips on a polymer magazine?
Steel feed lips don't bend, crack, or deform under pressure like polymer-only feed lips can. Since the magazine spring constantly applies force on the feed lips during use and storage, hardened steel resists this wear and maintains feeding reliability indefinitely. This is why the L7AWM's one-piece wraparound steel design is more durable than magazines relying entirely on polymer feed lips.
How does the switchable drain lock work?
The floor plate includes a small lever that opens or closes drainage channels. Keep it open for water or muddy conditions so moisture drains out, or close it when operating in dusty or sandy environments to prevent particles from getting inside. It's tool-free to switch between configurations.
Can I load the L7AWM Gen 2 to full capacity and store it long-term?
Yes. The non-tilt follower and stainless steel spring are designed to handle full loaded storage without degrading spring strength. The magazine has been tested across extreme temperature ranges from -40F to 180F, so long-term loaded storage won't damage the magazine's ability to function.





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