Convert Any AR/M4 Lower Into a 300BLK Rifle Designed for Special Forces
Convert any AR/M4 Lower receiver to the ultimate 300BLK rifle. These easy-to-install complete upper assemblies are ready to go for the ultimate build.
The MCX-SPEAR LT was initially designed to exceed the needs of Special Operations forces needs and demands and now you can have your very own.
SHOP ALL MCX-SPEAR LT ACCESSORIES
MCX-SPEAR LT Upper Assembly Conversion Kits
MCX-SPEAR LT 9″ UPPER AR CONVERSION KIT 300BLK – FDE
$1,699.99
Or SIG CONNECT Premium Annual Membership Price of $1359.99
MCX-SPEAR LT 9″ UPPER AR CONVERSION KIT 300BLK-BLACK
$1,699.99
Or SIG CONNECT Premium Annual Membership Price of $1359.99
Must-Have MCX-SPEAR LT Accessories
MCX/M400 .300 BLK 30RD MAGAZINE – GEN M3 PMAG-MAGPUL
$29.99
TWO-POINT GROVTEC HUNTING SLING
$39.99
ROMEO8T 1x38MM
$799.99 – $829.99
300BLK, 194GR, MAX EXPANSION, SUBSONIC, BOX/20
$64.99
AMMO, 300BLK, 220GR, MATCH, SUBSONIC, BOX/20
$32.99
MCX/MPX FOLDING AND TELESCOPING STOCK, COYOTE, LOCKING HINGE
$299.99
SIG SAUER PISTOL BRACE, FOLDING, LOCKING – BLACK
$249.99
SHOP ALL MCX-SPEAR LT ACCESSORIES
Fits Everything, Misses Nothing.
Incredible for 300BLK, yet capable to 300PRC, the HEXIUM300 offers best-in-class suppression performance, delivering a smooth, controlled tone and repeatable precision with both supers and subs. Built around a newly engineered baffle system, it gives shooters superior sound performance and uncompromising durability.
ADD A HEXIUM CAN TO YOUR QUIVER NOW
SIG SAUER 72 PEASE BLVD NEWINGTON, New Hampshire 03801
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