Geissele Automatics Blemula AR-15 Barreled Upper Receiver 5.56 NATO - DDC - 10.3" - Closed-Tine

Manufactured by Geissele Automatics
SKU: 05-2315S-BLEM
MPN: 05-2315S-BLEM
Manufactured by Geissele Automatics
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Note: This Geissele Automatics Upper Receiver is a blemished model. The product you receive may have scratches or marks from manufacturing. These are purely cosmetic marks and do not affect function.

Laser engravings, Logo's, and QD sling swivel slots may differ from the photographs above.

Geissele Automatics has made quite a name for themselves within the industry with their exceptional quality control on all of their products. This extreme quality control process inevitably leads to some products not making on the shelf due to minor imperfections in the finishes. This is where the Geissele Blemula products come in. This 10.3" Geissele Automatics Blemula AR-15 Barreled Upper Receiver chambered in 5.56 NATO is a blemished version of the normal Super Duty and includes all of the same features. This barreled upper features a 10.3" cold hammer forged barrel with a Surefire Closed-Tine. The barrel meets up to a 7075-T6 aluminum upper receiver that is finished in a DDC hardcoat anodizing to protect it from corrosion and wear. Wrapping the cold hammer forged barrel is Geissele's 9.5” SMR MK16 free float handguard that features M-LOK attachment slots on seven sides. This AR-15 barreled upper receiver group does not come with a bolt carrier group or charging handle.

  • Forged 7075-T6 aluminum Blemula receiver
  • Hardcoat anodized
  • 10.3” cold hammer forged barrel
  • Chambered in 5.56 with a mid-length gas system
  • Threaded 1/2x28
  • 9.5” SMR MK16 free float M-LOK handguard
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Barrel Coating
Barrel ContourGeissele
Barrel Length10.3
BrandGeissele Automatics
Caliber Gauge5.56 NATO
ColorFlat Dark Earth
FinishHardcoat Anodized
Gas System LengthCarbine
Gas System TypeDirect Impingement
Muzzle DeviceSureFire Closed-Tine Flash Hider
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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