Showdown: The FN SCAR 17 vs Robinson Armament XCR-M

Published on July 4, 2023
Duration: 24:21

This expert-level review compares the FN SCAR 17S and Robinson Armament XCR-M, both developed for the US SOCOM SCAR program. The SCAR 17S, a combat-proven rifle, excels in accuracy and recoil management but is significantly more expensive and has less modularity. The XCR-M offers superior user-level modularity, fully ambidextrous controls, and a better value proposition, though it exhibits slightly less accuracy and a harsher recoil impulse. The analysis highlights key differences in gas systems, bolt carrier groups, stocks, and triggers, providing a comprehensive overview for discerning firearm enthusiasts.

Quick Summary

The FN SCAR 17S excels in accuracy (0.75" group at 75 yards) and recoil management, while the Robinson Armament XCR-M offers superior modularity, fully ambidextrous controls, and better value at $2,550. The XCR-M's long-stroke piston and AK-style bolt contrast with the SCAR's short-stroke system and heavy BCG.

Chapters

  1. 00:00Introduction: SCAR vs XCR History
  2. 02:42Technical Specs & Modularity
  3. 04:16Gas Systems & Ambidextrous Controls
  4. 07:38Stocks, Recoil & Triggers
  5. 09:58Cost & Internal Mechanics
  6. 15:41Range Testing & Accuracy Results

Frequently Asked Questions

What are the main differences between the FN SCAR 17S and the Robinson Armament XCR-M?

The FN SCAR 17S is known for its combat-proven reliability, superior accuracy (0.75" group at 75 yards), and milder recoil. The Robinson Armament XCR-M offers greater modularity, fully ambidextrous controls, a non-reciprocating charging handle, and a lower price point ($2,550 vs $4,239), though it exhibits slightly less accuracy (0.90" group at 75 yards).

Which rifle has better modularity, the SCAR 17S or the XCR-M?

The Robinson Armament XCR-M features superior user-level modularity, allowing for quick barrel and caliber changes using a single bolt. This makes it more adaptable for different shooting applications compared to the FN SCAR 17S, which requires more involved processes for similar modifications.

How do the gas systems of the FN SCAR 17S and XCR-M compare?

The XCR-M comes standard with an 8-position adjustable gas valve for fine-tuning operation. The SCAR 17S typically has a 2-position gas valve, though aftermarket options like KNS Precision adjustable valves are available. Both utilize gas piston operating systems, with the SCAR using a short-stroke and the XCR-M a long-stroke system.

What are the key ergonomic and trigger differences between the SCAR 17S and XCR-M?

The XCR-M boasts fully ambidextrous controls (bolt release, mag release, safety) and a non-reciprocating charging handle. The SCAR 17S has a heavier factory trigger (6.25 lbs) often replaced by users, whereas the XCR-M has a superior factory trigger (4.5 lbs). Older SCAR models also feature reciprocating charging handles.

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