Impossible to find, easy to lose. Always keep an extra set handy!

Good value for the quantity needed. No use in buy an entire lpk when you only need a threaded roll pin. Fit my M5 lower perfectly.

The hardware it top notch and it will make assemble of my 80% lower that much better and custom. I received the order quickly. The regular envelope that it was mail in was opened and I was lucky that I did not lose any of the very small screws. I know the equipment that the USPS uses (35 years with the postal service at the distribution plants) if the screws would have fallen out of the regular letter envelope, there is no way that the hardware would have been located. My rating would have been a 5 had they use a more secure container to ensure that i received all to the pieces that I ordered.

Awesome product! Has the 4-40 x 1/8 set screw to fit the AR15 lowers with the threaded take-down hole (gen 2 Aero in my case) as well as having the correct threaded bolt catch pin. They have 2 different screws that can be utilized as the "tensioning" crew to tighten receiver fit. Amazing shipping and delivery!

JL Bullet 80% lowers have awesome, trick features to allow you to super-customize the Lower. Trigger pull, selector spring and mag release are all better on a JLBILLET lower and you need this kit to take advantage of the advanced features. These lowers are better, WAYYYYYY better the everyone else.

Quality and fast shipping

Ordering EASY Shipping FAST Quality Excellent What can I say Great to deal with