I got tired of fighting Q-Tips and toothpicks when I lubed my rails, trigger group, and other parts of my AR, so I made this lube syringe. I bought a 3ml BD Integra Syringe from CVS. This type of syringe has a needle that extracts into the plunger after use, but the good thing about it is that when you remove the needle carrier the barrel is wide open at both ends. Another good thing is that when you remove the needle assembly out of the needle carrier the hole that is left is a perfect compression fit for those red plastic straws that come on spray oil cans. The original needle assembly is easily removed from the back of the needle carrier with a pair of needle nose pliers. I also bought a second standard non retracting 3ml syringe so that I could cannibalize it's plunger because the Integra plunger will have a hole in the rubber plunger cap and also locks into the barrel after use for safe disposal. I cut the red straw in half so that I could use the cap that goes over the needle, but if you want a longer needle you may elect not to cut yours. I removed the plunger and filled from that end with the needle carrier out. Bubbles can be removed by stirring from the top with a toothpick, or if your grease is thick, stick a clothes hanger wire down the middle leaving a vent hole. As you push the plunger up the grease will consolidate at the bottom and close the vent hole up as it moves toward the needle carrier end.
So that's about it. Each syringe was $.25, so cost was 50 cents plus the cost of the grease.
lube_syringe.jpg
So that's about it. Each syringe was $.25, so cost was 50 cents plus the cost of the grease.
lube_syringe.jpg
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