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JP Enhanced Reliability Spring Kit This spring kit will yield a 3.5-4.0 lb. trigger pull with JP Fire Control parts. This kit is intended for use with JP trigger parts and will not necessarily yield substantial change on standard AR-15 trigger components. Application: Use of this spring kit allows for use of ammunition with low-sensitivity primers such as those found in NATO-spec and various foreign-manufactured ammunitions, but in the case of large-frame ARs and duty/defense rifles, domestic-manufactured ammo is strongly recommended to ensure 100% ignition reliability.
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No Questions Yet.
Started great...
I got these a her ago and I maybe pop'd it in last fall ..was getting 4 ish on my pulls and was great no issues ..then after 300 or so rounds the spring just started having tons of FTF light strikes ..its odd cause I had 2 kits ..the other has been chugging a long at 3000-3500 rounds never ever had an issue and that pulls at 3.5 almost always under the 4 pounds ..so I think I had… read more a bad heat treat or whatever they do for spring s..I'd not hesitate to buy a few more ..ill probably buy another to replace thks one soon and maybe ever get the dirty bird version to .. At 6 $ its worth a try also
Love these springs
They are amazing! Best AR upgrade for 10$ you will find.
Didn't Work For Me
I've used these exact springs in a few rifles and they have worked before. However the two I bought for my new build using Aero FCG would NOT light primers on American Eagle domestic ammo like it was supposed to. Only fired 1 out of a box of 20, had to go back to heavier springs.
All ar 15 built s
In stead of the 7 pound pull 4 or 5 if you polish 3.1/2 to 4 No lite strikes
Worthwhile upgrade
Small little upgrade. Trigger took a few times to even out with the pull and weight. Amazing outcome with both the sionics trigger and bcm’s PNT trigger. I believe it IS the difference between SOLGW’s liberty fighting and competition trigger.
Specifications |
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Brand | JP Enterprises | ||
Category | Small Parts & Components | ||
Weight | 4 oz |