This is a replacement spring for the AGP Arms 10 Round Magazine for the Saiga-12. The service limit for the springs when used in the 10rd mags is determined by measuring the free length of the spring. You simply take the spring out of the mag and measure it at it’s longest points. We consider the service limit to be 21”. As long as you are over 21” the spring should have the force needed to work reliably. Anything under 21” should be replaced.
This spring will also fit the factory 5 and 8 round magaines.
Reviews
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10rd spring in 5rd mag
I got some 5 round magazines from ProMag. They would not feed the last round. Jammed every time. Decided to put a 10 round spring in a 5 round magazine. It works amazingly well. Went shooting clays. Only loaded 2 in the mag each time. 100 rounds later and not a single mis-feed.
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Spring
Put the spring in the SDS ten round mag. Haven’t shot it but I chambered all ten with out any issues
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time will tell
Installed these springs in 2 of my promag mags. Fit perfectly hopefully they’ll last longer than the shit springs promag uses, that completely fell apart after just 4 yrs( not heavy use).
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Replacement ease
This spring is the size of a Bull Snake but was a cinch to install. Now my 10 rounder is back to normal!
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Great spring
Great spring to replace the standared steel springon my older mags.