X-7 Lightweight AR-15 Polymer Receiver set

Product Description 
Manufacturer:  Kaiser.US – Kaiser Shooting Products- KSP US 
COLOR:  Black / Flat Dark Earth (FDE) / Grey / Olive Drab (OD)  
MODEL:  X-7 
MATL:  Composite / Aluminum Anodized Inserts 
Texturing   NonSlip 
Lightweight  10 oz 
Recoil  Light 
Water  Zero Corrosion 
Durability  Impact Resistant 
Ejection Port Cover (EPC) Included Proprietary for x-7  Polymer EPC /Spring /Rods 
Black Bird Aluminum Ejection Port Cover (EPC) Proprietary for x-7  Optional  
V2 System (Anti-Walk Trigger Pins) Included Proprietary for x-7  2 x Anti Walk trigger Pins, 2 x Allen Wrenches, 2 x Trigger Pin Screws 
Grip Screw   ¼-20 x 1″ OF THREAD REQUIRED   
Safety:  Dual or Ambidextrous (ambi) 
Forward Assist:   Eliminated 
Maintenance    No Oil or Lubrication Necessary 
Colored / Painted/Accessories    May not match X-7 Set could be shades of 

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  • Engineered for durability and increased strength without added weight. 
  • Injection-molded Carbon Composite Material with anodized aluminum inserts at all critical wear points. 
  • Textured nonslip front mag well grip surface designed for better grip and weapon control even in the most extreme conditions. 
  • X-7 Composite AR-15 Matched Receiver Set with our Proprietary V2 System (Anti-Walk Trigger Pin)our Proprietary Black Polymer lightweight EPC (Ejection Port cover).
  • Designed for dual or Ambidextrous (Ambi) safety set up. 
  • Beveled mag well entry allows faster magazine changes. 
  • Matched to increase rigidity between upper and lower receivers.
  • Lighter at nearly half the weight of aluminum receivers sets. 
  • Less Recoil 
  • Require far less maintenance.
  • Forward Assist eliminated.
  • Eliminates harmonics from attached accessories greatly improving weapon accuracy.
  • Compatible with any Mil-Spec drop-in trigger. 
  • Compatible with all Mil-Spec and most aftermarket grips. 
  • Used by the top shooters; designed for Sub Minute of Angle (MOA) accuracy  


*To ship this item, a copy of the Federal Firearms License (FFL) is required.

**Please See Restocking Policy before you place your Order

*** Returns/Exchanges are subject to a 35% restocking fee


ITAR Product: By adding to the cart, I understand and agree to the Export Policy. I am a U.S. person and do not intend to export products.

Government Restriction: By adding to cart, I understand and agree to the Domestic Restricted Product Policy and certify that I will comply with applicable federal, state, and local laws and regulations.

*See how Lola builds and assemble her own custom X-7 Fusion AR-15 Composite Rifle. 



Black, FDE, Grey, OD


X-7 BlackBird Ejection Port Cover (EPC), X-7 Lightweight Durable Polymer Ejection Port Cover (EPC)

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