![[Tested] Magpul MS1 Lite; *Proprietary* Ballistic Engineering Single Stage Trigger; KAK K-SPEC BCG](https://1a-1791.com/video/s8/1/O/I/1/c/OI1cp.oq1b.5-small-Tested-Magpul-MS1-Lite-Prop.jpg)
[Tested] Magpul MS1 Lite; *Proprietary* Ballistic Engineering Single Stage Trigger; KAK K-SPEC BCG
AT3 Tactical Knowledge Source: Beginner's Guides; AR-15 Tips; AR15 Tricks; Guns & Gun Building AR10 AR-10
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