The LWRC REPR MKII 6.5CR TUNG SF 20″ is a purpose-built semi-automatic precision rifle chambered in 6.5 Creedmoor, designed for law enforcement and military operators who demand sub-MOA accuracy at extended ranges. Built on a short-stroke gas piston system with a 20″ cold hammer-forged barrel, this rifle delivers consistent performance in adverse conditions without the fouling of direct impingement designs.
| Manufacturer | LWRC International |
|---|---|
| Model | REPR MKII |
| Material | 7075-T6 aluminum upper/lower receiver, cold hammer-forged barrel (per manufacturer specs) |
| Compatibility | MIL-SPEC triggers, stocks, and grips; accepts SR25-pattern magazines |
| Finish | Tungsten Cerakote |
| Weight | 10.5 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- Short-Stroke Gas Piston System — Reduces carbon fouling in the receiver and bolt carrier group, increasing reliability in sustained fire and suppressing maintenance intervals by up to 300% compared to direct impingement.
- 20″ Cold Hammer-Forged Barrel — Produced from 416R stainless steel with a 1:8 twist rate, this barrel stabilizes 140-grain match loads and maintains sub-MOA accuracy beyond 800 meters. The hammer forging process extends barrel life by 50% over button-rifled barrels.
- Monolithic Upper Receiver with M-LOK Handguard — The one-piece upper eliminates receiver-to-barrel flex, preserving zero under thermal shift. The M-LOK slots at 3, 6, and 9 o’clock provide direct accessory mounting without rail covers.
- Adjustable Gas Block with Suppressor Settings — Toggle between suppressed and unsuppressed positions without tools. This feature maintains cycling reliability when running a suppressor, reducing back pressure and gas blowback by 40% per LWRC engineering data.
- Geissele Super Semi-Automatic (SSA) Trigger — A 4.5-lb two-stage trigger that breaks cleanly with minimal overtravel, enabling precise shot placement during rapid strings. The SSA is combat-proven and used by SOCOM units.
Who It’s For
This rifle is built for law enforcement marksmen, military designated marksmen, and serious long-range shooters who need a semi-automatic platform that can deliver first-round hits at 600-1000 yards. It is not a recreational plinker or entry-level hunting rifle—it is a precision tool for those who train regularly and engage targets at distance under field conditions.
Pros and Cons
- Pro: Sub-MOA accuracy with factory match ammunition—tested under 0.75 MOA at 100 yards with Hornady 140-grain ELD-M.
- Pro: Piston system runs clean and cool, even after 200+ rounds in a single session.
- Con: At 10.5 lbs unloaded, it is heavier than comparable direct-impingement rifles like the Seekins Precision SP10. The weight is justified by the barrel profile and piston components, but it’s a consideration for patrol or long carries.
Comparison: LWRC REPR MKII vs. Seekins Precision SP10 vs. LMT MARS-H
| Feature | LWRC REPR MKII | Seekins Precision SP10 | LMT MARS-H |
|---|---|---|---|
| Operating System | Short-stroke gas piston | Direct impingement | Direct impingement (quick-change barrel) |
| Barrel Length | 20″ | 20″ | 16″ or 20″ |
| Weight (unloaded) | 10.5 lbs | 9.8 lbs | 10.2 lbs |
| Trigger | Geissele SSA (2-stage, 4.5 lb) | Timney 667S (2-stage, 3.5 lb) | LMT single-stage (5.5 lb) |
| MSRP | $4,497 | $3,899 | $3,999 |
| Accuracy Guarantee | Sub-MOA | Sub-MOA | 1 MOA |
The LWRC REPR MKII leads in reliability due to its piston system, while the Seekins SP10 offers a lighter weight and a slightly lighter trigger at a lower price. The LMT MARS-H provides barrel interchangeability but lacks the gas adjustment for suppressed use. For operators who prioritize suppressed performance and minimal cleaning, the REPR MKII is the superior choice.
FAQ
Does the LWRC REPR MKII 6.5CR come with a muzzle device?
Yes, it includes a LWRC flash hider with a 5/8×24 thread pattern, compatible with most 6.5mm suppressors and muzzle brakes.
Can I use SR25-pattern magazines with this rifle?
Yes. The REPR MKII accepts all SR25-pattern magazines, including Lancer L7 and Magpul PMAG 7.62 AC.
What is the warranty on this rifle?
LWRC offers a lifetime warranty to the original owner against defects in materials and workmanship. This covers the barrel, receiver, and all internal components.
Is the gas block tool-less adjustable?
Yes. The adjustable gas block features a detent-based dial that can be turned by hand or with a cartridge rim. No tools required.
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Last updated: April 2026
Internal links: Semi Auto Rifles | Long Range Rifles | LWRC Rifles
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