Parts Kits

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  1. 05-343 : Geissele Standard LPK
    Geissele® Automatics
    05-343 : Geissele Standard LPK
    The Geissele Standard Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver. This quality mil-spec kit features an improved safety detent and our specially designed Posi-Lock safety, which provides the end user a satisfying and positive tactile feedback when engaging the safe or fire position. Learn More
  2. 05-428B : Geissele Enhanced LPK, Black

    The Geissele Super Duty Lower Parts Kit

      1. Takedown Pin & Pivot Pin Detents (2)
      2. Takedown Pin & Pivot Pin Springs (2)
      3. Takedown Pivot Pin
      4. Bolt Catch Plunger
      5. Bolt Catch Spring
      6. Bolt Catch Coiled Pin
      7. Maritime Bolt Catch
      8. Safety Detent
      9. Buffer Retainer
    10. Buffer Retainer Spring
    11. Safety Detent Spring
    12. Takedown Pin
    13. Magazine Release Button
    14. Magazine Release Spring
    15. Posi-Snap Ambidextrous Safety Selector Assembly
    16. Magazine Catch
    17. Coiled Trigger Guard Pin
    18. Super Duty Trigger Guard
    19. Hex Key

    Learn More
  3. 05-428S : Geissele Enhanced LPK, DDC

    The Geissele Super Duty Lower Parts Kit

      1. Takedown Pin & Pivot Pin Detents (2)
      2. Takedown Pin & Pivot Pin Springs (2)
      3. Takedown Pivot Pin
      4. Bolt Catch Plunger
      5. Bolt Catch Spring
      6. Bolt Catch Coiled Pin
      7. Maritime Bolt Catch
      8. Safety Detent
      9. Buffer Retainer
    10. Buffer Retainer Spring
    11. Safety Detent Spring
    12. Takedown Pin
    13. Magazine Release Button
    14. Magazine Release Spring
    15. Posi-Snap Ambidextrous Safety Selector Assembly
    16. Magazine Catch
    17. Coiled Trigger Guard Pin
    18. Super Duty Trigger Guard
    19. Hex Key

    Learn More
  4. 05-435B : Geissele Ultra Duty LPK, Black

    The Geissele Ultra Duty Lower Parts Kit

      1. Takedown Pin & Pivot Pin Detents (2)
      2. Takedown Pin & Pivot Pin Springs (2)
      3. Checkered Takedown Pivot Pin
      4. Bolt Catch Plunger
      5. Bolt Catch Spring
      6. Bolt Catch Coiled Pin
      7. Maritime Bolt Catch
      8. Safety Detent
      9. Buffer Retainer
    10. Buffer Retainer Spring
    11. Safety Detent Spring
    12. Checkered Takedown Pin
    13. Magazine Release Button
    14. Magazine Release Spring
    15. Semi-Auto, Ambi Tapped Safety Selector Assembly
    16. Magazine Catch
    17. Coiled Trigger Guard Pin
    18. Geissele Ultra Precision™ 5 Axis Trigger Guard
    19. Hex Key

    Learn More
  5. 05-435S : Geissele Ultra Duty LPK, DDC

    The Geissele Ultra Duty Lower Parts Kit

      1. Takedown Pin & Pivot Pin Detents (2)
      2. Takedown Pin & Pivot Pin Springs (2)
      3. Checkered Takedown Pivot Pin
      4. Bolt Catch Plunger
      5. Bolt Catch Spring
      6. Bolt Catch Coiled Pin
      7. Maritime Bolt Catch
      8. Safety Detent
      9. Buffer Retainer
    10. Buffer Retainer Spring
    11. Safety Detent Spring
    12. Checkered Takedown Pin
    13. Magazine Release Button
    14. Magazine Release Spring
    15. Semi-Auto, Ambi Tapped Safety Selector Assembly
    16. Magazine Catch
    17. Coiled Trigger Guard Pin
    18. Geissele Ultra Precision™ 5 Axis Trigger Guard
    19. Hex Key

    Learn More
  6. 23339-1 : SR-15/SR-16 FIELD REPAIR KIT
    Knight‵s Armament Company
    23339-1 : SR-15/SR-16 FIELD REPAIR KIT
    The SR-15 Field Repair Kit includes the essential components to keep your rifle running over the long term. Also compatible with SR-16 variants.
    Learn More
  7. 6123-BK : ERGO MSR Package/MSR Stock, Grip, Handguard-Black

    High-quality package that can be used to complete a standard AR platform. Made from Reinforced Polymer that is impact/temperature/chemical resistant.

    Learn More
  8. 6123-DE : ERGO MSR Package/MSR Stock, Grip, Handguard-Dark Earth

    High-quality package that can be used to complete a standard AR platform. Made from Reinforced Polymer that is impact/temperature/chemical resistant.

    Learn More
  9. 81500 : AR15/AR10 Lower Receiver Kit - Less Trigger Assy

    Complete lower receiver parts kit for AR-15
    Fire control group and grip NOT included.

    Bolt Catch
    Bolt Catch Plunger
    Bolt Catch Spring
    Bolt Catch Roll Pin
    Mag Release
    Mag Release Button
    Mag Release Spring
    Buffer Retainer Spring
    Safety
    Buffer Retainer
    Safety Detent Spring
    Safety Detent
    Trigger Guard
    Trigger Guard Roll Pin
    Takedown Detent Springs
    Takedown Detents
    Takedown Pins

    Learn More
  10. 81501 : AR15/AR10 Lower Receiver Kit - with  Single Stage Trigger, Curved, 3 - 3½ lb pull

    Complete lower receiver parts kit for AR-15. Enhanced with a 3.5lb Single Stage Curved Trigger

    Grip NOT included.

    3.5lb Single Stage Trigger
    Bolt Catch
    Bolt Catch Plunger
    Bolt Catch Spring
    Bolt Catch Roll Pin
    Mag Release
    Mag Release Button
    Mag Release Spring
    Buffer Retainer Spring
    Safety
    Buffer Retainer
    Safety Detent Spring
    Safety Detent
    Trigger Guard
    Trigger Guard Roll Pin
    Takedown Detent Springs
    Takedown Detents
    Takedown Pins

    Learn More
  11. 81503 : AR15/AR10 Lower Receiver Kit - with  Single Stage Trigger, Flat, 3 - 3½ lb pull

    Complete lower receiver parts kit for AR-15. Enhanced with a 3.5lb Single Stage Flat Trigger

    Grip NOT included.

    3.5lb Single Stage Flat Trigger
    Bolt Catch
    Bolt Catch Plunger
    Bolt Catch Spring
    Bolt Catch Roll Pin
    Mag Release
    Mag Release Button
    Mag Release Spring
    Buffer Retainer Spring
    Safety
    Buffer Retainer
    Safety Detent Spring
    Safety Detent
    Trigger Guard
    Trigger Guard Roll Pin
    Takedown Detent Springs
    Takedown Detents
    Takedown Pins

    Learn More
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