Gun Abbreviations and Acronyms

1. MRBS
   Mean Rounds Between Stoppage
2. MRR
   Modular Railed Receiver
3. MSAR
   Microtech Small Arms Research
4. MSBS
   Modulowy System Broni Strzeleckiej
5. MSH
   Main Spring Housing
6. MSP
   Multi-Stroke Pneumatic
7. MSR
   Modular Sniper Rifle
8. MSR
   Modern Sporting Rifle
9. MSR
   Modern Sporting Rifles
10. MSR
    Modern Savage Rifle
11. MSRPA
    Maryland State Rifle and Pistol Association
12. MSRPA
    Maryland State Rifle & Pistol Association
13. MSSA
    Military-Style Semi-Automatic
14. MSSA
    Montana Shooting Sports Association
15. MSSAS
    Military-Style Semi-Automatics
16. MTC
    Modular Tactical Carbine
17. MTM
    Muscle Title Match
18. MTS
    Moving Target System
19. MUR
    Modular Upper Receiver
20. MV
    Muzzle Velocitr

Last updated: January 4, 2020 — Total entries: 1,152