1. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Checkered 25 LPI
    Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Govern...
    $79.99
    Available View More Options
  2. Kimber Mainspring Housing Flat with Oversized Magazine Well 1911 Government, Commander Checkered ...
    Kimber Mainspring Housing Flat with Oversized Magazine Well 1911 Go...
    $82.99 - $89.99
    Mixed Availability View More Options
  3. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Snakeskin
    Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Govern...
    $79.99
    Available View More Options
  4. Ed Brown Mainspring Housing Arched 1911 Government, Commander Grooved 20 LPI
    Ed Brown Mainspring Housing Arched 1911 Government, Commander Groov...
    $41.99
    Available View More Options
  5. Ed Brown Mainspring Housing Flat 1911 Government, Commander Chainlink
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Chainlink
    $46.99
    Available View More Options
  6. Swenson Mainspring Housing Flat Checkered with Magazine Well 1911 Government, Commander
    Swenson Mainspring Housing Flat Checkered with Magazine Well 1911 G...
    $69.99
    Mixed Availability View More Options
  7. Swenson Mainspring Housing Flat Checkered 1911 Government, Commander Stainless Steel
    Swenson Mainspring Housing Flat Checkered 1911 Government, Commande...
    $34.99
    • {{fee.amount}} {{fee.description}}
    Out of Stock, Backorder OK
    What are product arrival notifications?
  8. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Chainlink
    Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Govern...
    $77.99
    Available View More Options
  9. Springfield Armory Mainspring Housing Flat 1911 Government, Commander Checkered 20 LPI Blue
    Springfield Armory Mainspring Housing Flat 1911 Government, Command...
    $26.99
    • {{fee.amount}} {{fee.description}}
    Available
  10. Ed Brown Mainspring Housing Arched with Drop-In Maxi-Well 1911 Government, Commander
    Ed Brown Mainspring Housing Arched with Drop-In Maxi-Well 1911 Gove...
    $74.99
    Available View More Options
  11. Wilson Combat Bullet Proof Mainspring Housing Magazine Well 1-Piece 1911 Government Commander 30L...
    Wilson Combat Bullet Proof Mainspring Housing Magazine Well 1-Piece...
    $184.99 - $189.99
    Available View More Options
  12. Nighthawk Custom Mainspring Housing Flat with Magazine Well 1911 Government, Commander Scalloped ...
    Nighthawk Custom Mainspring Housing Flat with Magazine Well 1911 Go...
    $79.99
    • {{fee.amount}} {{fee.description}}
    Available
  13. Nighthawk Custom Mainspring Housing and Magwell 1911 Government, Commander 1-Piece 20 LPI Checker...
    Nighthawk Custom Mainspring Housing and Magwell 1911 Government, Co...
    $149.99
    • {{fee.amount}} {{fee.description}}
    Available
  14. Ed Brown Mainspring Housing Flat 1911 Government, Commander Checkered 25 LPI
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Checker...
    $62.99
    Available View More Options
  15. Wilson Combat Bullet Proof Mainspring Housing with Magazine Well One Piece 1911 Government, Comma...
    Wilson Combat Bullet Proof Mainspring Housing with Magazine Well On...
    $183.99 - $188.99
    Available View More Options
  16. Swenson Mainspring Housing Flat Checkered with Magazine Well 1911 Officer
    Swenson Mainspring Housing Flat Checkered with Magazine Well 1911 O...
    $69.99
    Available View More Options
  17. Nighthawk Custom 2 Piece Mainspring Housing Flat with Magazine Well 1911 Government, Commander Ch...
    Nighthawk Custom 2 Piece Mainspring Housing Flat with Magazine Well...
    $79.99
    • {{fee.amount}} {{fee.description}}
    Available
  18. Kimber Mainspring Housing with Lanyard Loop 1911 Government, Commander Steel Matte
    Kimber Mainspring Housing with Lanyard Loop 1911 Government, Comman...
    $54.99
    • {{fee.amount}} {{fee.description}}
    Available
  19. Wilson Combat Mainspring Housing Flat 1911 Government, Commander Aluminum
    Wilson Combat Mainspring Housing Flat 1911 Government, Commander Al...
    $34.99
    • {{fee.amount}} {{fee.description}}
    Available
  20. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Checkered Skip...
    Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Govern...
    $87.99
    Available View More Options
  21. Ed Brown Mainspring Housing Bobtail 1911 Government, Commander Checkered 25 LPI
    Ed Brown Mainspring Housing Bobtail 1911 Government, Commander Chec...
    $74.99
    Available View More Options
  22. Ed Brown Mainspring Housing Flat 1911 Government, Commander Snakeskin
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Snakeskin
    $59.99
    Available View More Options
  23. Ed Brown Mainspring Housing Flat 1911 Government, Commander Smooth
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Smooth
    $33.99
    Available View More Options
  24. Wilson Combat Mainspring Housing Flat 1911 Government, Commander Checkered 30 x 30 LPI
    Wilson Combat Mainspring Housing Flat 1911 Government, Commander Ch...
    $46.99 - $48.99
    Mixed Availability View More Options
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