Uppers
Shop upper receiver assemblies at Ironside Arms. We carry complete uppers from Knights Armament, LMT Defense, and Evolve Weapon Systems in configurations from 8 inches to 22 inches. Browse KAC SR-15 and SR-25 uppers, LMT MRP-L monolithic rail platform uppers, and EWS custom builds. Drop-in ready for your next rifle or SBR project.
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Knights Armament SR-15 Notched Upper Receiver (P/N: 123878)
$223.18 Add to cart -
SR-16 Mod 2.1 11.5″ Upper Kit | CRS Suppressor Pkg
$3,960.00 More Info -
KAC SR-25A3 22″ Upper Receiver P/N: 100223
$3,456.00 More Info -
KAC SR-25K6 16″ Upper Receiver Kit P/N 116740
$3,312.00 More Info -
KAC SR-25K7 14.5″ Upper Receiver Kit P/N: 116738
$3,312.00 More Info -
KAC KS3 SR-15 E3.2 11.5″ Upper Kit | P/N 121445
$1,800.00 More Info -
KAC KS2 SR-15 E3.2 14.5″ Upper | P/N 121444
$1,800.00 More Info -
KAC KS1 SR-15 E3.2 16″ Upper Kit | P/N 121443
$2,088.00 More Info -
Evolve Weapon Systems | 12.5″ Upper
$899.00 More Info -
LMT MRP-L MLOK 8″ Upper w/ 300BLK Barrel
$1,200.00 More Info