Anderson Manufacturing Defender Series DS-10R 5.56mm SBR with 10.5" Barrel and Free Float Quad Rail Handguard - Qualified Individuals Only

Manufactured by Anderson Manufacturing
SKU: B2-K871-LE03
MPN: B2-K871-LE03
Manufactured by Anderson Manufacturing
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Note: This item is only available for qualified agencies and professionals to purchase. MIL/LE, security guards, and other qualified personnel, please contact Customer Service with proper documentation if you are exempt in your state.

The Anderson Manufacturing Defender Series DS-10R 5.56 NATO SBR is a compact and powerful short barrel rifle designed for superior performance in any tactical situation. This SBR features a 10.5” government profile barrel with a 1:7 twist, ensuring exceptional accuracy and stability. The 1/2x28 thread pattern allows for easy attachment of various muzzle devices, and the A2 flash hider effectively reduces muzzle flash for enhanced stealth.

Equipped with a carbine length gas system and a low profile .750 steel gas block, this rifle delivers reliable and consistent performance. The 9.5” free float quad rail provides ample space for accessories and attachments, allowing you to customize your setup to meet your specific needs.


  • 5.56 NATO Short barrel rifle
  • 10.5” government profile barrel, 1:7 twist
  • 1/2x28 thread pattern
  • A2 flash hider
  • Carbine length gas system
  • Low profile .750 steel gas block
  • 9.5” free float quad rail
  • Forged 7075-T6 aluminum receivers
  • Type III hardcoat anodized finish
  • Magpul MOE buttstock
  • Six position carbine buffer tube
  • M16 profile bolt carrier
  • Breek Warhammer ambidextrous charging handle
  • Magpul K2 black pistol grip
  • Includes a PMAG 30 Gen 2 magazine

Crafted from forged 7075-T6 aluminum receivers, this rifle is built to withstand the toughest conditions. The Type III hardcoat anodized finish adds durability and corrosion resistance, ensuring long-lasting performance.

The Magpul MOE buttstock and six position carbine buffer tube offer comfort and adjustability, allowing you to find the perfect fit for your shooting style. The M16 profile bolt carrier ensures smooth and reliable cycling, while the Breek Warhammer ambidextrous charging handle allows for quick and easy charging from either side. Included with this rifle is a PMAG 30 Gen 2 magazine, offering reliable feeding and easy reloading.

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Barrel Coating
Barrel ContourGovernment
Barrel Length10.5
BrandAnderson Manufacturing
Caliber Gauge5.56 NATO
FinishHardcoat Anodized
Gas System LengthCarbine
Gas System TypeDirect Impingement
Magazine Capacity30
Muzzle DeviceA2 Flash Hider
Thread Pattern1/2 X 28
Twist Rate1:7
Weight6.2 lbs
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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