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rhuff · 03-05-2013, 04:13 PM

The Colt Defender is what some firearm companys refer to as an Ultra Compact model.....3in BBl. It is a feed ramp issue with the 30 luger, but I don't want to alter the feed ramp, so I can convert back with a bbl. and spring change.

The Fiocchi bullet(FMJ) has a correct profile to strike the feed ramp, and continue the feeding process. The profile of the 86gr Hornady, the 86gr Sierra JSP, and Western Bullet Co. LRN will strike the feed ramp and jam the process. Changing OAL does not seem to help much. Those loads also exhibit setback of the bullet when it jams into the feed ramp, which is not desirable in my way of thinking.

At least I found one load that works good in this conversion.

03-05-2013, 04:13 PM	#2
rhuff Patron LugerForum Patron Join Date: Mar 2011 Location: Az. Posts: 2,314 Thanks: 2,746 Thanked 998 Times in 733 Posts	The Colt Defender is what some firearm companys refer to as an Ultra Compact model.....3in BBl. It is a feed ramp issue with the 30 luger, but I don't want to alter the feed ramp, so I can convert back with a bbl. and spring change. The Fiocchi bullet(FMJ) has a correct profile to strike the feed ramp, and continue the feeding process. The profile of the 86gr Hornady, the 86gr Sierra JSP, and Western Bullet Co. LRN will strike the feed ramp and jam the process. Changing OAL does not seem to help much. Those loads also exhibit setback of the bullet when it jams into the feed ramp, which is not desirable in my way of thinking. At least I found one load that works good in this conversion.