M-Lok Exterior Weight Set (2 weights with hardware) Color:BlackExternal Forend Weights by ISMI Spring Sales are designed for M Lok chassis and forends. They're perfect for achieving the perfect balance in your shooting. Unlike other weights on the market, you can stack them to achieve your perfect balance when space is limited. Individual weights are 6. 72 ounces. Sold as a pair including M Lok hardware. Long screws for stacking will be included with purchase of 2 or more sets.
Designed for use with ISMI G17 flatwire springs
This 10coil mag spring is for use in standard capacity 19/23 models and will work with most plus 1 and 2 extensions
Manufactured of Chrome Silicon alloy
P/N: Hellcat-GR
This 13coil spring is meant for use in STI/SVI magazines up to 170mm
For use in model 19
Extra power springs wound from aerospace spec chrome silicon wire
Part#: 15-30
For use in 30rd AR-15 magazines
ISMI rods are machined from stainless steel and utilize a button head screw to retain the spring when the assembly is out of the pistol
****Springs available in 12
0″ barrels