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Showing 1 - 20 of 64 results
  1. Kimber Mainspring Housing Flat with Oversized Magazine Well 1911 Government, Commander Checkered 20 LPI
    4.8 (29 Reviews)
  2. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Checkered 25 LPI
    4.6 (78 Reviews)
  3. Ed Brown Mainspring Housing Flat 1911 Government, Commander Chainlink
    4.8 (51 Reviews)
  4. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Snakeskin
    4.8 (17 Reviews)
  5. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Chainlink
    4.5 (8 Reviews)
  6. Nighthawk Custom Mainspring Housing and Magwell 1911 Government, Commander 1-Piece 20 LPI Checkering Steel Blue
    5.0 (1 Review)
    $149.99
    Available
  7. Springfield Armory Mainspring Housing Flat 1911 Government, Commander Checkered 20 LPI Blue
    4.7 (35 Reviews)
    $26.99
    Out of Stock, Backorder OK
  8. Ed Brown Mainspring Housing Arched 1911 Government, Commander Grooved 20 LPI
    4.8 (31 Reviews)
  9. Wilson Combat Mainspring Housing Flat 1911 Government, Commander Checkered 20 x 30 LPI
    4.5 (23 Reviews)
  10. Wilson Combat Bullet Proof Mainspring Housing Magazine Well 1-Piece 1911 Government Commander 30LPI Steel
    $155.78 - $184.99
    Clearance — Select Items Save up to $34.21 (18%)
    Available View More Options
  11. Wilson Combat Mainspring Housing Flat 1911 Government, Commander Aluminum
    5.0 (3 Reviews)
    $34.99
    Available
  12. Ed Brown Mainspring Housing Arched with Drop-In Maxi-Well 1911 Government, Commander
  13. Nighthawk Custom Mainspring Housing Flat with Magazine Well 1911 Government, Commander Scalloped Steel Blue
    4.4 (5 Reviews)
    $79.99
    Available
  14. Ed Brown Mainspring Housing Flat 1911 Government, Commander Checkered 25 LPI
    4.8 (13 Reviews)
  15. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Chainlink II
  16. Nighthawk Custom Mainspring Housing Flat 1911 Government, Commander Checkered 25 LPI Blue
    5.0 (4 Reviews)
    $44.99
    Available
  17. Ed Brown Mainspring Housing Flat with Drop-In Maxi-Well 1911 Government, Commander Checkered Skip Line Stainless Steel
    5.0 (4 Reviews)
    $87.99
    Available
  18. Ed Brown Mainspring Housing Bobtail 1911 Government, Commander Checkered 25 LPI
    5.0 (4 Reviews)
  19. Nighthawk Custom 2 Piece Mainspring Housing Flat with Magazine Well 1911 Government, Commander Checkered 25 LPI Blue
    4.2 (5 Reviews)
    $79.99
    Available
  20. Ed Brown Mainspring Housing Flat 1911 Government, Commander Smooth
    4.7 (18 Reviews)

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