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Colt Defender Guide Rod Kit w/ Reverse Plug Blue 9mm (16# Ultra Compact Spring)
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Colt Defender Guide Rod Kit w/ Reverse Plug Blue 9mm (16# Ultra Compact Spring)

Product #: 10508
Price: $59.99


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Extra ISMI 3" 16 lb. Flatwire Spring (+$8.00)
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Overall Length: 2.363"
Rod Diameter: .25"
Caliber: 9mm, .38, and .40 S&W

Guide Rod Material: Stainless Steel
Reverse Plug Material and Finish: Blued Carbon Steel
Recoil Spring Type: 16lb Flat Shortened Officer's Spring [ISMI Spring]

This kit reduces recoil and increases longevity of the spring system in Colt Defenders and other similarly sized guns.

This guide rod kit is for 3" 1911s chambered in 9mm, .38, and 40 s&w.

All systems use a 1/4" guide rod made from solid barstock with a take down hole. This kit includes a guide rod, reverse plug, and ISMI flat recoil spring 

The reverse plug is blued Carbon Steel.

All kits are drop-in.

This kit fits:

Colt Defender
Para LDA Carry
Para Warthog
Colt New Agent

Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc. For more information, go to

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