Spike's Tactical AR-15 Upper Receiver Assembly
Spike’s Tactical M4 Flat Top Upper Receiver is machined from a Mil-Spec 7075-T6 forging with a durable Type III hardcoat anodized finish. It features M4 feed ramps that are cut into the receiver before anodizing to avoid future reliability issues, laser engraved T-markings, and the Spike’s Spider logo. Includes a pre-installed forward assist and ejection port door cover.
Ratings & Reviews
My experience purchasing & receiving products fro
by joseph arsenault
My experience with primary arms is excellent their products were not only top-notch very easy to find their site was very easy to maneuver through the items placing the order was very easy and I received my item faster than I've ever received an item from any other firearms company thank you very much you will have my long-standing business excellent job primary arms!!!!
by R H
A+ very pleased with product and speed of transaction.
by Cody Cochran
Again, greatly impressed with my order. Very fast shipping. My upper works flawlessly! My first stop when shopping for parts is PA! Thanks for the great service!
by Jordan Krenik
Always fast shipping. Spikes is spikes good quality.
appears very high quality, fast shipping from Primary Arms
by BART LIGUORI
Arrived quickly. As described. Perfect for my SBR build.
Quality & Value.
by Charles Thompson
As a mil-spec upper goes, this one is excellent. As part of an all Spikes, SPR I am building, I am pleased with the upper to lower fit, matching finish, ans tidy minded approach to fit and finish. Cannot wait to put rounds through it. Alresdy recommending Spikes to several friends. As always, awesome customer service and convenience from P.A.
Spikes upper receiver
by Matt Nalbone
As always, nice fit and finish to compliment my Spike's lower. This is my second ST upper receiver and am very pleased. Fast shipping and excellent customer service.
Spikes forged M4 Upper
by David C Boyd
Beautifully finished to match a spikes lower. Great service as usual from Primary.
less than I expected
Bought the upper expecting it to match my Spike's Honey Badger lower but it didn't. The anodizing was a lot lighter than my spikes lower receiver (nice dark black)and it should have been a Blemished upper because of the shotty anodizing and the scratches it arrived with. Also was pretty loose when I mated it with the Spike's lower receiver. Primary Arms shipped fast and they get an A+ but the spikes upper gets a C-.
by John Pierce
bought this for a replacement for another brand of upper that did not fit right or look good on my spikes lower. this solved the problem. thanks Primary Arms
by David F
Bought this to pair with my Spikes Lower. Looks great and functions as it should.
by Nathan M
Can't wait to get a barrel and complete this to go with my Punisher Spike's lower. My parts arrived in a timely manner. I will buy more stuff from these guys again.
by David Jones
Check out was very easy, item was shipped very quickly, and is a great product, will order again, great experience.
Spikes M4 stripped upper.
by Anthony Morfin
Delivery was super fast and product was well packed. Will be doing much more shopping on this site!
well made upper
by Michael MacDonald
every thing apears to be well made have not assembled to rifle yet. the finish seems to be a little thin though, I inadvertantly scratched through the finish with very light contact, never had finish on a fire arm scratch so easy. but for the money I still think its worth it. ill just have to be careful with the finish.
by Michael Reta
Exactly what I ordered fast shipping and got it for a better price than anywhere else. PA is truly the best. I come to PA to order everything for my AR builds. All my friends want to build one now that I have and i tell them to go nowhere other Primary Arms!!!
by Reuben P.
Excellent product, excellent price
Spikes Upper Receiver
by Herschel Gibbs Jr
Excellent service from PA, they are one of my go to companies when I need AR parts.Spikes upper is an excellent part. I like basic no nonsense quality parts for my builds and Spikes delivers that.Also, they have a lifetime guarantee and made in the U.S.
Way to go PA!!
by Justin Cheek
Excellent upper relating to fit and finish to compliment my Spikes lower...!! I ordered on a Tues and got it Thurs. I always feel comfortable ordering from Primary Arms specially since I'm 3 hrs away from them :D
by Carlos Villalobos
Excellent. Fit perfectly with my spikes lower. Definitely will buy again.
by paul imbriano
fast shipping, and very professional service. Upper was perfect as you'd expect from spikes.
by Ryan Siipola
Fast shipping, excellent service as always from the team at primary arms. The receiver from spikes tactical is top notch as to be expected.
Spike's Forged M4 Upper Receiver Assembly SFT50M4
Fastest shipping I've found
Finish is nice and dark, also had a nice tight fit to my lower.