2018年3月29日 · I had an issue with the MPX not going into battery, the bolt would stay about 1/4" open when charging or when using the bolt release. I cleaned and lubed the gun and …

2018年4月8日 · Ive had the gun for a while, and it ran 100% until the last three trips. 2 trips ago, on its first failures, I started to get a couple double-feeds or failure to extract stovepipes. A …

2018年8月2日 · While the MPX is not the same as the MCX, both use a bolt carrier, a rotating bolt and a movable firing pin. A friend asked me to look at his MPX which was failing to hit the …

2021年11月1日 · Hi folks. I need to know how to remove the part that holds the recoil rods and recoil springs onto the bolt carrier on a gen 2 mpx. I think Sig calls this the OP Rod. It looks …

2017年9月30日 · Purchased my present GEN 2 MPX (have several 20 + 30 rnd GEN 2 mags) Nov.2016 Did some plinking w/ it thru the winter, then finally used it at several USPSA …

2024年3月17日 · I sbr'd a cmmg banshee and sig mpx. Both shoot softer than my PSA blowback AR9. The Banshee is trilug and mpx is direct thread because the handguard is longer than the …

2020年2月14日 · I recently inherited a 9mm MPX. While cleaning I found that the piece that attaches the operating rod to the bolt carrier is loose (it's analogous to an AR gas key, not sure …

2021年6月17日 · -Bolt: the Gen I had a 5 lug bolt. The Gen IIIs had a 4 lug. -Bottom of upper receiver: the Gen III has a longer portion in the front, and there is now a small cutout in this …

2020年4月16日 · Jumping into the deep end first with the “MP5s” and later the MPX really ruined me on the blowback action of most AR pattern PCC and on the Scorpion I rented. That big …

2020年6月30日 · MPX's and MCX's do have a higher top rail compared to an AR due to the dual recoil springs above the bolt carrier so standard AR sights are further from the bore than on an …