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EPC Include: Ejection Port Cover (EPEC) w/ spring & rod
Anti-Walk Include: V2 System (anti-walk trigger pins).
Grip Screw Include: Skeletonized Titanium Screw
Products Description • Manufacturer: Kaiser.US
• Color: Black / Midnight Grey
• Model: X-7 BLACKBIRD
• Insert Material: Titanium & Aluminum Anodized Inserts
• X-7 Lightweight: 9 oz, Complete set
• Texturing: Non-Slip
• Grip Screw: Skeletonized Titanium Grip Screw ¼-20 x 1″ of Threads
• Ejection Port Cover (EPC): Proprietary for X-7 EPC /Spring /Rods
• V2 System: Anti-Walk Trigger Pins Proprietary for X-7 Anti-Walk Trigger Pins 2pcs,
Trigger Pin Screws 2pcs, Allen Wrenches 2pc
• Safety: Dual or Ambidextrous (Ambi)
• Recoil: Light
• Forward Assist: Eliminated
• Water: Zero Corrosion
• Durability: Impact Resistant
• Maintenance: No Oil or Lubrication Necessary
• Colored / Painted/Accessories May not match X-7 Set could be shades of
Kaiser US: X-7 Receiver Set is Comparable with Mil-Spec Parts




FFL Required Before Shipping.
Please have your dealer email a copy of their FFL to [email protected], referencing your name and order number.

**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.



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• Engineered for durability and increased strength without added weight.
• Titanium Graphite Composite Material with titanium & anodized aluminum inserts at all critical wear
• Textured nonslip front mag well grip surface designed for better grip and weapon control even in the
most extreme conditions.
• X-7 "Blackbird" Lightweight TI-Graphite Composite AR-15 Receiver Set with our Proprietary V2
System (Anti-Walk Trigger Pin) and Black 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 half the weight of aluminum receivers sets.
• Less Recoil
• Require far less maintenance.
• Forward Assist eliminated.
• Eliminates harmonics from attached accessories 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

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