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2025 Top Selling Items

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  1. Restricted in some areas Set My Location
    MCX-RATTLER LT UPPER ASSEMBLY - 6.75" 300BLK
    MCX-RATTLER LT UPPER ASSEMBLY - 6.75" 300BLK
    Price $1,799.99
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  2. Restricted in some areas Set My Location
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK-BLACK
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK-BLACK
    Price $1,699.99
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  3. Restricted in some areas Set My Location
    MCX-SPEAR LT 11.5 UPPER AR CONVERSION KIT 5.56 NATO-BLACK
    MCX-SPEAR LT 11.5 UPPER AR CONVERSION KIT 5.56 NATO-BLACK
    Price $1,699.99
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  4. on sale
    Restricted in some areas Set My Location
    MCX-SPEAR LT AR CONVERSION KIT - 16" 5.56 NATO
    MCX-SPEAR LT AR CONVERSION KIT - 16" 5.56 NATO
    Was $2,199.99
    (Save $200.00)
    Special Price $1,999.99
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  5. Restricted in some areas Set My Location
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK - FDE
    MCX-SPEAR LT 9" UPPER AR CONVERSION KIT 300BLK - FDE
    Price $1,699.99
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  6. Restricted in some areas Set My Location
    "The MCX-SPEAR LT 11.5" UPPER AR CONVERSION KIT 7.62X39-BLACK: A compact and powerful conversion kit engineered to optimize your AR rifle for the 7.62x39 caliber, ensuring reliable performance in any tactical scenario."
    MCX-SPEAR LT 11.5" UPPER AR CONVERSION KIT 7.62X39-BLACK
    Price $1,699.99
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  7. on sale
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    SIG M400 UPPER RECEIVER ASSEMBLY - 16" 5.56 NATO
    SIG M400 UPPER RECEIVER ASSEMBLY - 16" 5.56 NATO
    Was $1,199.99
    (Save $200.00)
    Special Price $999.99
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  1. Bolt Carrier Group Included
    Yes
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Model +
  1. SIG MCX
  2. SIG MCX-SPEAR LT
  3. SIGM400
Caliber +
  1. 300 BLK
  2. 5.56 NATO
  3. 7.62x39
Barrel Length +
  1. 6.75
  2. 9.0
  3. 11.5
  4. 16.0
Operating System +
  1. Gas Piston
  2. Short-Stroke-Piston
  3. Gas
Color +
  1. Black
  2. Black / FDE
  3. FDE
Twist Rate +
  1. 1:5
  2. 1:7
  3. 1:9.5
Handguard Inside Diameter +
  1. 1.25-in
  2. 1.48-in
Bolt Carrier Group Included +
  1. Yes
  2. No
Barrel Rifling Type +
  1. Hammer Forged
Chrome Lined Barrel +
  1. No
Handguard Length +
  1. 5.5
  2. 7.94-in
  3. 10.23-in
  4. 13
  5. 15
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72 Pease Boulevard
Newington, NH 03801

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Phone: 603-610-3000
Customer Service Hours: Monday - Friday, 8:30am - 5:00pm EST
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