My favorite place to get them is at Tractor Supply. These 6 cc (6 ml) come in a package of 6 for $1.99
--->
http://www.tractorsupply.com/en/store/producers-pridereg;-luer-lock-syringe-6cc-capacity-pack-of-6
Complete list of available sizes by typing "syringe" in the search box. Easy, no hassle way to purchase.
Also have needles available, but be aware that they are
not blunt needles.
Depending on where you are located, you should have a Tractor supply close to you. Store locator here
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http://www.tractorsupply.com/StoreL...ngId=-1&cm_sp=head_nav-_-page-_-store_locator
If you go, just walk in the front door and stay to the right side of the store. Pass the Boot's and Jeans you'll see pet food and up toward the ceiling will be a sign for "Animal Health". Syringes and needles are right under that sign. If you are into DIY, just to the right of the syringes, you will find gallon jugs of USP PG for $21.99.
Every TSC store I have ever been in has been laid out exactly the same..