Spike’s Tactical M4 16″ Complete Upper – 5.56 NATO – Black
$545.00
Elevate your AR-15 with the Spike’s Tactical M4 16″ Complete Upper Assembly. Crafted with precision from forged aluminum, this reliable assembly features a 16″ M4 profile barrel, chrome-lined and 1 in 7″ twist rate. Coated in MIL-SPEC phosphate and equipped with a Spike’s Tactical Phosphate M16 Bolt Carrier Group, it ensures durability and performance for your 5.56 NATO build.
- Description
- Reviews (16)
Description
## Spike’s Tactical M4 16″ Complete Upper Assembly 5.56 NATO in Black
Looking for a top-quality M4 upper assembly that you can rely on? Look no further than the Spike’s Tactical M4 16″ Complete Upper Assembly. These excellent upper features a 16″ barrel chambered in 5.56 NATO, with a M4 profile and 1 in 7″ twist rate. It’s constructed from forged 7075-T6 aluminum and is hard coat anodized in black for a durable finish. Plus, it comes with a Spike’s Tactical Phosphate M16 Bolt Carrier Group for added peace of mind. This BCG has been high pressure tested and magnetic particle inspected and is finished off with a laser engraved Spike’s ST spider logo. The gas tube is carbine length and black nitride finished inside and out, for a smooth operation.
**Spike’s Tactical M4 16″ 5.56 NATO Upper Features:**
– 7075-T6 Forged Aluminum Upper Receiver
– 16″ M4 Profile Barrel
– Chrome Lined
– 1 in 7″ Twist
– 1/2″ x 28 muzzle thread
– 5.56 NATO
– .750″ Gas Block Seat
– MIL-SPEC Phoshate coated
– A2 Front Sight Base
– M4 Handguard with double heat shield
– Carbine Gas Tube
– Forged Aluminum Charging Handle with MIL-SPEC Type III coating
– M16 Bolt Carrier Group Phosphate coated
– High Pressure Tested
– Magnetic Particle Inspected
– ST Spider Logo laser engraved
– Weight: 4lb 2oz
– SKU#- STU5025-M4S
As always, all Spike’s Tactical products boast a Lifetime Warranty from manufacturer defects.
Pairs well with [Spikes Lower Parts Kit](https://daytonatactical.com/products/spikes-tactical-ar-15-lower-parts-kit-standard).
**WARNING:** This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: [**www.P65Warnings.ca.gov**](https://www.p65warnings.ca.gov/)













Jack V. –
Perfect fit and finish. This is exactly what I was looking for. A++
Jack V. –
Installed without any issues. Works perfectly. Very impressed with the craftsmanship.
Brandon A. –
Good value for the money. Quality is consistent with the price point.
Mark W. –
Solid product, no complaints. Exactly as described. Fast shipping.
Justin W. –
Great addition to my build. Fit perfectly the first time with no modifications needed.
Stephen P. –
Outstanding product. Arrived quickly and was exactly as described. Will buy again.
Nathan I. –
Installed without any issues. Works perfectly. Very impressed with the craftsmanship.
Jacob C. –
Very happy with this purchase. Works exactly as described. Great value.
Jacob C. –
Bought this on a recommendation and now I understand the hype. Outstanding.
William S. –
Just received my order and couldn’t be more satisfied. Great quality and fast shipping.
George V. –
Great addition to my build. Fit perfectly the first time with no modifications needed.
Jerry Z. –
Good product, no major complaints. Took a few extra days to ship but worth it.
Donald C. –
Top quality at a competitive price. Couldn’t be happier with this purchase.
Charles B. –
Good value for the money. Quality is consistent with the price point.
Frank R. –
Ordered for my AR build and couldn’t be happier. Solid construction and great finish.
William S. –
Fantastic product. The craftsmanship is excellent and it fits perfectly. 5 stars!