Nutnfancy Review of Sig XM7, Sig Spear LT MCX

Published on August 24, 2024
Duration: 37:50

This comprehensive review of the Sig MCX Spear LT, with a comparative discussion of the Sig XM7, highlights the MCX Spear LT's features, weight, and performance. The reviewer, a retired Lieutenant Colonel, offers a critical perspective on the XM7's adoption and its implications for soldier loadouts. While acknowledging the MCX Spear LT's reliability and build quality, the review questions its overall value proposition compared to more traditional AR-15 platforms, particularly regarding accuracy and price.

Quick Summary

The Sig MCX Spear LT carbine weighs 7 lb 4 oz without optics and is praised for its extreme reliability with various 5.56mm ammunition types. While its accuracy averages 2.11 inches at 100 yards, it is considered less accurate than some DI AR-15 platforms. The reviewer questions its high retail price of around $2,700, suggesting better value may be found elsewhere.

Chapters

  1. 00:00Introduction: Sig MCX Spear LT & XM7 Overview
  2. 01:50Reviewer's Philosophy on Video Length & Viewer Time
  3. 02:03Sig MCX Spear LT Initial Assessment
  4. 03:55History & Personal Experience with MCX Platform
  5. 06:42MCX Spear LT: Gen 3, Weight Reduction & Aesthetics
  6. 07:07Optic: Primary Arms SLX Micro Prism
  7. 07:52Addendum: Rant on the Sig XM7 & 6.8x51mm Cartridge
  8. 09:51XM7 Weight & Ammunition Capacity Concerns
  9. 10:15Alternative Platforms: PFF Rogue
  10. 11:18XM7 Loadout & Ammunition Count Analysis
  11. 12:45MCX Spear LT vs. XM7 Weight Comparison
  12. 13:20Ideal AR-10 Capability vs. Weight
  13. 13:41System Integration & Weight Considerations
  14. 14:145.56mm Ammunition Performance & Accuracy
  15. 14:41MCX Spear LT Modifications & Weight
  16. 15:23Short Stroke Piston System Advantages
  17. 16:16MCX Spear LT Shooting Impressions & Features
  18. 16:51Muzzle Device: Rocket QD Flash Hider
  19. 17:32Barrel Thickness & Cold Hammer Forging
  20. 18:21Gas Regulator & Suppressor Settings
  21. 18:42Handguard Stability & M-LOK System
  22. 19:14Extended Upper Receiver Picatinny Rail
  23. 19:59Ambidextrous Features & Bolt Release
  24. 20:20Forward Assist & Extended Deflector
  25. 20:38Safety Selector & Trigger Quality
  26. 20:51Magazine Well & Grip Compatibility
  27. 21:09Charging Handle Design
  28. 21:25XM7 vs. MCX Spear LT Charging Handle
  29. 21:47Standard Sig MCX Stock & Length of Pull
  30. 22:33Recoil Spring Assembly & AR-18 System
  31. 23:09Stock Extension Mechanism & QD Sling Mount
  32. 23:25Reliability: No Jams, Curse of the Desert Survival
  33. 24:05Reliability with All Bullet Weights
  34. 24:16Accuracy Testing Results & Comparison
  35. 25:09Ammunition Sensitivity & Environmental Factors
  36. 25:23Gen 1 MCX Accuracy Comparison
  37. 25:53Purchase Decision: Would I Buy One?
  38. 28:17Value Proposition: MCX Spear LT vs. AR-15
  39. 29:04AR-15 Comparison: BCM Lightweight Barrel
  40. 30:04Critique of 'Sell Out' Gun Tubers & Military Spec
  41. 31:10XM7 as a Committee Gun vs. Individual Vision
  42. 31:31Spear vs. XM7: Price & Performance Changes
  43. 31:51Overall Dimensions & Weight Summary
  44. 32:08Flight Suit Fashion & Utility
  45. 34:43Coolness Factor & Personal Style
  46. 35:12PSA Upper vs. Sig MCX Spear LT Value
  47. 35:53Community Feedback & Future Purchases
  48. 36:32Venture Gear Drop Zone Tactical Glasses
  49. 37:37Final Thoughts: Good Gun, Overpriced?

Frequently Asked Questions

What is the weight of the Sig MCX Spear LT?

The Sig MCX Spear LT in 5.56 caliber weighs approximately 7 pounds and 4 ounces without any optics or accessories attached, making it a reasonably weighted tactical carbine.

How does the Sig MCX Spear LT compare in accuracy to other platforms?

The Sig MCX Spear LT achieved an average accuracy of 2.11 inches at 100 yards, which meets its manufacturer's stated 2-2.5 MOA. However, the reviewer notes that some direct impingement AR-15 platforms can be more accurate.

What are the main criticisms of the Sig XM7 and its 6.8x51mm cartridge?

The primary criticisms of the Sig XM7 and its 6.8x51mm cartridge involve increased weapon system weight and a significant reduction in ammunition capacity for the average soldier, potentially negating the benefits of the new caliber.

Is the Sig MCX Spear LT considered reliable?

Yes, the Sig MCX Spear LT is described as extremely reliable, having experienced no jams during testing with various bullet weights and performing well even in challenging conditions, earning it praise for its dependability.

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