PROMAG AR-10 MAGAZINE - 762 NATO/308 WIN - 10 ROUND CAPACITY - 40 ROUND BODY - POLYMER - FDE

ProMag Industries
MPN:
DPM-A4-FDE
UPC:
708279016028
$32.69
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The ProMag AR-10 Magazine in Flat Dark Earth delivers reliable .308 WIN / 7.62 NATO feeding in a California-compliant 10-round configuration housed in a full-size 40-round polymer body — purpose-built for LR-308 (DPMS) and SR-25 pattern AR-308 rifles.

  • California-compliant 10-round capacity in a standard 40-round magazine body
  • Fits LR-308 (DPMS) and SR-25 pattern AR-308 and .308 rifles
  • Proprietary DuPont Zytel-based polymer construction for durability and light weight
  • Precision-wound chrome silicon wire spring for consistent, reliable feeding
  • Injection-molded polymer follower ensures smooth, jam-resistant round presentation
  • Made in the USA and backed by a ProMag lifetime manufacturer's defect guarantee

Who This Is For

This magazine is ideal for California-based AR-308 shooters who want a full-size, comfortable grip profile while staying within state-mandated capacity limits. It's a great choice for range shooters, hunters, and competitive marksmen running DPMS LR-308 or SR-25 pattern rifles chambered in .308 Winchester or 7.62 NATO who demand American-made quality and long-term reliability.

ProMag AR-10 FDE Polymer Magazine 10-round capacity 40-round body for LR-308 and SR-25 pattern rifles

Specifications

BrandProMag Industries
Caliber.308 Winchester / 7.62 NATO
Capacity10 Rounds (CA Compliant)
Magazine Body Size40-Round Body Profile
MaterialDuPont Zytel-Based Polymer
FollowerInjection-Molded Polymer
Spring MaterialHeat-Treated Chrome Silicon Wire
Color / FinishFlat Dark Earth (FDE)
Compatible PatternLR-308 (DPMS) / SR-25
Incompatible PatternArmaLite AR-10
Country of OriginUSA
WarrantyLifetime Manufacturer's Guarantee

Frequently Asked Questions

Will this magazine fit my ArmaLite AR-10 rifle?

No — this ProMag magazine is specifically designed for rifles using the LR-308 (DPMS) or SR-25 magazine pattern. It is not compatible with rifles using the ArmaLite AR-10 magazine pattern. Before purchasing, confirm which magazine interface your rifle uses. Common LR-308/DPMS-compatible brands include DPMS, Palmetto State Armory Gen 2, Aero Precision M5, and many others. SR-25-compatible rifles include those from Knights Armament and several Sig Sauer models.

Is this magazine legal to purchase and use in California?

Yes — this magazine ships with a blocked, California-compliant 10-round capacity, making it legal for purchase and use in California under the state's standard-capacity magazine restrictions. The magazine body is the full 40-round size for ergonomic handling, but it is permanently configured to hold no more than 10 rounds as required by California law.

How reliable is the ProMag polymer magazine compared to steel alternatives?

ProMag's Zytel-based polymer magazines are engineered for consistent performance, featuring heat-treated chrome silicon wire springs and precision injection-molded followers that reduce friction and promote reliable feeding. While personal preferences vary, ProMag backs their magazines with a lifetime guarantee against manufacturing defects, reflecting confidence in their build quality. For best results, perform a function check with your specific rifle before field or defensive use.

Caliber:
762 NATO / 308 WIN
Capacity:
10/40 Round
Color:
FDE
Follower Color:
Black
Type:
Rifle Magazine
CA Compliant:
Yes
Platform:
AR-10
Material:
Polymer