I recorded this quick video showing the stuck feedneck in a PGI FROG a few weeks back. In the video I wedge a rubber screwdriver in the stuck feedneck to remove it.
PGI FROG with stuck feedneck – feedneck removal tool
Here are several photos of an ACI Sports or PGI bottomline regulator broken down. This regulator came off a PGI FROG.
The Sonic kit turns an ACI Griffin semi automatic into an electronic pneumatic. This kit was likely built with Leon Styles of PGI and was sold around 2001.
Sergey Levkov on his paintball history with Lapco, Technical Trouble Shooting, his modifications on VM-68s, Tippmann SMG 60s, 68 Specials and more.
Skip Swift, of Swift Line Industries was one of the original East Coast Sniper 2 and Autococker innovators in the early 1990s. In the years after the introduction of the Autococker he worked on Bob Long and the Ironmen's paintball guns. He also produced parts and accessories in the early 1990s out of Connecticut.
A Gramps and Grizzly ad that was printed in the December 1990 issue of Paintcheck magazine shows the Enforcer 1, the NW Comp, BE King Cobra and the SMG60.