Spikes STU5435R2S ST-15 Enhanced Midlength 223 Rem,5.56x45mm NATO Black

UPC: 815648023331 MPN: STU5435R2S SKU: 38099884

Spikes Complete Upper, Spike Stu5435-r2s Upper Mid 5.56 16" 5.56x45mm Nato Firearm

Name: Spikes Complete Upper, Spike Stu5435-r2s Upper Mid 5.56 16" 5.56x45mm Nato Firearm
Brand: Spikes
SKU: 38099884

Firearms Uppers Spikes SKU: 38099884 In StockOnline Only

$639.12

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Battlehawk Armory Grimes Verified Store 4.5 (1572 reviews)

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Insight Snapshot

BattleHawk Armory lists this offer at $639.12.

Spikes STU5435R2S ST-15 Enhanced Midlength 223 Rem,5.56x45mm NATO Black anchors the Firearms segment in the firearms catalog, giving shoppers a clear baseline before purchase.
Chambered in 5.56x45mm NATO, it keeps ballistics predictable across practice and defensive loads without forcing you to rework your kit.

Shopping Tips

Line up your receiving FFL early and clarify their transfer fees so you are not surprised at pickup.

Ownership Checklist

Confirm the receiving FFL is ready for the transfer and understands the model you are purchasing.
Review Not found, Not found requirements on storage, transport, and waiting periods before the firearm arrives.
Source 5.56x45mm NATO practice ammunition early; popular loads tighten in supply when prices drop.

Common Questions

What specs should I know before buying Spikes Complete Upper, Spike Stu5435-r2s Upper Mid 5.56 16" 5.56x45mm Nato Firearm?

Key callouts include caliber: 5.56x45mm NATO. Scroll up for the full specification table before you commit.

Spikes headlines the specification sheet for this platform. Factory literature categorizes it as a complete, which frames expectations for handling and use. Factory chambered in 5.56x45mm NATO to keep performance predictable from shot to shot. Dimensional notes call out a barrel length of 16" in, helping you plan cases and storage. Unloaded weight settles near 5.15 lbs, which influences recoil management and carry options.