Philippines MSSR
Philippine Marine Corps Armory · Sniper Rifle · In Production · 1996
Also known as: Marine Scout Sniper Rifle, GA MSSR
Overview
The MSSR (Marine Scout Sniper Rifle) is a semi-automatic designated marksman rifle developed in 1996 by the Philippine Marine Corps Scout Snipers, built on the M16A1 platform. Designed by Lt. Col. Roberto Emmanuel T. Feliciano and Col. Johnathan C. Martir, the MSSR was created out of necessity when the Philippine Marine Corps lacked a dedicated sniper rifle system. Rather than waiting for procurement of expensive foreign sniper systems, Philippine armorers converted standard M16A1 rifles into precision platforms by replacing the barrel with a 24-inch DPMS Ultra Match barrel with 1:8 twist rate, adding a free-floating handguard, flat-top upper receiver, match trigger, and Bushnell 3-9x40mm scope with Mil-dot reticle. The MSSR is unique among military sniper systems in using 5.56x45mm NATO ammunition, chosen to maintain logistic commonality with standard infantry rifles. The rifle effectively engages targets at ranges up to 600 meters and has proven its worth in counter-insurgency and anti-terrorism operations.
Specifications
| Weight (empty) | 4550 g (160.5 oz) |
| Weight (loaded) | 4900 g (172.8 oz) |
| Overall Length | 1073 mm (42.24") |
| Barrel Length | 610 mm (24.02") |
| Action Type | Gas Operated Direct Impingement |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Two Stage |
| Magazine Capacity | 20 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 940 m/s (3084 fps) |
| Muzzle Energy | 1767 J (1303 ft·lbf) |
| Effective Range | 600 m (656 yd) |
| Maximum Range | 800 m (875 yd) |
| Rate of Fire | 30 rpm |
| Barrel Rifling | Right Hand |
| Rifling Twist | 203 mm (7.99") |
| Number of Grooves | 6 |
| Frame Material | Aluminum Alloy |
| Barrel Material | Steel |
| Stock Material | Polymer |
| Finish | Phosphate |
Calibers
- 5.56x45mm NATO · primary · 5.56mm NATO — also known as 5.56x45mm, 5.56 NATO, .223 Remington
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Manual Safety, Firing Pin Safety
- Features: Dpms Ultra Match Barrel 24 Inch, Free Floating Handguard, Bushnell 3 9x40 Scope, Mil Dot Reticle, M16a1 Lower Receiver, Flat Top Upper Receiver, Bipod, Adjustable Stock, Match Trigger, Harris Bipod
Variants
- MSSR Gen 2 — Second Generation
- MSSR Gen 3 — Third Generation
- MSSR Navy (20-inch) — Compact Naval
Service history
Operators
- Philippine Marine Corps Scout Snipers · adopted 1996 · as MSSR
- Philippine Navy Naval Special Warfare Group · as MSSR
Conflicts
- Moro Conflict (1996-present)
- Battle of Marawi (2017)
Production
Production years: 1996-present
Converted from existing M16A1 rifle stocks by Philippine Marine Corps armorers. Production is ongoing as needed.
Origin
Country of origin: Philippines
Designer: Roberto Emmanuel T. Feliciano and Johnathan C. Martir
Notes
The MSSR has gone through three generations of development. The first generation used basic scope mounts and Tasco optics. The second generation improved the scope mounting system. The third generation, introduced in 2004, upgraded to Bushnell 3-9x40mm scopes with Mil-dot reticles while retaining the proven 24-inch DPMS barrel. A naval variant with a shorter 20-inch barrel was developed for the Philippine Navy's NSWAG for close-quarters and maritime operations. The rifle accepts standard M16/AR-15 pattern 20-round and 30-round STANAG magazines. The MSSR program demonstrated that effective precision weapons can be developed from existing inventory through intelligent modification rather than expensive foreign procurement -- a model that other resource-constrained militaries have studied.
Background
Born from necessity when the Philippine Marines had no sniper rifles, the MSSR proved that Filipino ingenuity could turn a standard infantry rifle into a precision weapon. It remains one of the few 5.56mm military sniper systems in active service, defying the conventional wisdom that effective sniping requires larger calibers.