1. Kimber Mainspring Housing Flat with Oversized Magazine Well 1911 Government, Commander Checkered ...
    Kimber Mainspring Housing Flat with Oversized Magazine Well 1911 Go... 4.8 (32 Reviews)
    $82.99 - $89.99
    Available View More Options
  2. 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... 4.6 (85 Reviews)
    $79.99
    Available View More Options
  3. Ed Brown Mainspring Housing Arched 1911 Government, Commander Grooved 20 LPI
    Ed Brown Mainspring Housing Arched 1911 Government, Commander Groov... 4.8 (38 Reviews)
    $41.99
    Available View More Options
  4. 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
    Available
  5. 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... 4.8 (18 Reviews)
    $79.99
    Mixed Availability View More Options
  6. Ed Brown Mainspring Housing Flat 1911 Government, Commander Chainlink
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Chainlink 4.8 (52 Reviews)
    $46.99
    Available View More Options
  7. 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... 5.0 (1 Review)
    $74.99
    Available View More Options
  8. Colt Mainspring Housing Flat 1911 Government, Commander Grooved
    Colt Mainspring Housing Flat 1911 Government, Commander Grooved 4.6 (26 Reviews)
    $7.99 - $47.49
    Available View More Options
  9. Wilson Combat Bullet Proof Mainspring Housing Magazine Well 1-Piece 1911 Government Commander 30L...
    Wilson Combat Bullet Proof Mainspring Housing Magazine Well 1-Piece... 4.0 (1 Review)
    $184.99 - $189.99
    Available View More Options
  10. Springfield Armory Mainspring Housing Flat 1911 Government, Commander Checkered 20 LPI Blue
    Springfield Armory Mainspring Housing Flat 1911 Government, Command...
    $26.99
    Available
  11. Wilson Combat Mainspring Housing Flat 1911 Government, Commander Checkered 30 x 30 LPI
    Wilson Combat Mainspring Housing Flat 1911 Government, Commander Ch... 4.4 (25 Reviews)
    $46.99 - $48.99
    Available View More Options
  12. 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... 4.5 (8 Reviews)
    $77.99
    Mixed Availability View More Options
  13. Ed Brown Mainspring Housing Flat 1911 Government, Commander Checkered 25 LPI
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Checker... 4.9 (15 Reviews)
    $62.99
    Available View More Options
  14. Wilson Combat Mainspring Housing Flat 1911 Government, Commander Aluminum
    Wilson Combat Mainspring Housing Flat 1911 Government, Commander Al...
    $34.99
    Available
  15. Nighthawk Custom Mainspring Housing Flat with Magazine Well 1911 Government, Commander Scalloped ...
    Nighthawk Custom Mainspring Housing Flat with Magazine Well 1911 Go... 4.6 (9 Reviews)
    $79.99
    Available
  16. EGW Mainspring Housing Flat Checkered with Magazine Well 1911 Government, Commander Steel Blue
    EGW Mainspring Housing Flat Checkered with Magazine Well 1911 Gover... 3.0 (3 Reviews)
    $64.99
    Available
  17. Ed Brown Mainspring Housing Flat 1911 Government, Commander Smooth
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Smooth 4.7 (20 Reviews)
    $33.99
    Available View More Options
  18. Kimber Mainspring Housing with Lanyard Loop 1911 Government, Commander Steel Matte
    Kimber Mainspring Housing with Lanyard Loop 1911 Government, Comman...
    $54.99
    Available
  19. Colt Mainspring Housing Flat Colt Gold Cup Grooved Matte Stainless Steel
    Colt Mainspring Housing Flat Colt Gold Cup Grooved Matte Stainless ...
    $44.99
    Out of Stock, Backorder OK
    What are product arrival notifications?
  20. 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
    Mixed Availability View More Options
  21. 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
    Available
  22. Wilson Combat Mainspring Housing V-Grip 1911 Government, Commander Checkered 20 LPI
    Wilson Combat Mainspring Housing V-Grip 1911 Government, Commander ... 4.3 (11 Reviews)
    $46.99 - $48.99
    Available View More Options
  23. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Chainlink II
    Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Govern...
    $77.99
    Mixed Availability View More Options
  24. Ed Brown Mainspring Housing Flat 1911 Government, Commander Snakeskin
    Ed Brown Mainspring Housing Flat 1911 Government, Commander Snakeskin 4.8 (8 Reviews)
    $59.99
    Mixed Availability View More Options
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