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1-year limited warranty
List Price $650.00 Save $50.00 (7%)
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Average Customer Review4.5 (13 reviews)
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Things I liked:This upper is amazing at what it is designed to do: it allows me to practice the aspects of shooting control (trigger pull, breathing, sighting, etc) on my own AR15 lower with the same aesthetics and controls (same length of pull, stock, cheek rise, grip and after market trigger) as I would use with my normal firearm upper. I am able to achieve this practice with real target interaction & seeing the accuracy of my techniques, not just boring dry-firing practice, for a significant fraction of the cost. Accuracy testing at 25, 50 & 75 feet have been well below 1" grouping with the best tested ammo. Normal AR BUIS can be attached to this upper, another bonus.
Things I would have changed:The latch on the left side is required to be engaged to fire properly: if it is not latched fully the bolt opens upon firing resulting in air loss, speed loss and accuracy is severely reduced. The latch itself is steel but the receiver is aluminum and this causes a problem: after shooting about 500 pellets I am seeing receiver damage from letting the latch slide into the grove by itself. I would highly recommend that Crosman insert a small shim of at that location, as small as half a dime. Without this modification the receiver may not last to 2500 rounds without extreme user care! Also, the front sling attachment is generally useless for a bench or target based PCP: a short 2 inch Picatinny rail would have been far superior! I tapped out the roll pin and removed it.
What others should know:Five Notes: 1) Barrel droop was significant and the scope rings had to be shimmed, so I don't recommend this to be the first scope you have mounted. 2) The steel latching handle should not be allowed to drag closed onto the aluminum receiver. 3) I did not get the hollow magazine I seen in reviews, but a solid aluminum block for grip, weight and ballast: not having it for a bore snake and oil was disappointing! 4) the seal is inside the edge of the barrel, not on the outside like a break barrel, so remember that some ammo catches this seal and can damage it: proven with Daisy hollow points. 5)The Crosman/Benjamin magazine extends above the receiver enough that scope mounting can be a problem: an AR15 usually needs forward type mounts and these cannot easily be put onto this receiver. Also, solid one piece mounts cannot be used due to the need for a gap for this magazine. I was not able to perfectly match the scope eye relief on my MAR177 as my normal upper.
Things I liked:Fits great on my 15 lower. Very accurate with my red dot or scope. Functions very well. Easy to pump up to 2000 PSI with the Benjamin hand pump.
Things I would have changed:Lighten up the over all weight.
What others should know:The standard sights are not up to snuff. Should be replaced.
Things I liked:The MAR177 fits well on my Yankee Hill lower. I had already made some mods to the Yankee Hill lower (buttstock and trigger) so it was nice to be able to take advantage of those changes. Removed the iron sights and replaced with a 4X combat scope - Shooting indoors on a 10M range this combination has proved extremely accurate. The MAR177 upper is a well made, expensive piece of machinery. Highly recommended for anyone wanting to stay on top of their AR skills.
Things I would have changed:A friendlier price point.
Compatible with Crosman MAR177 AR-15 Upper PCP Conversion Kit