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Both companies are fairly new to the scene. Sightmark was introduced in 2007 and Primary Arms in 2008.
Sightmark produces products for the civilian market and also for law enforcement and the military.
Both companies are from the USA, but they produce many of their scopes in China.
Sightmark Citadel 1-6x24 SFP and Primary Arms 1-6x24 Gen 3 SFP are both very affordable because they are both in the 500€ price range.
Both Sightmark and Primary Arms offer 10 years warranty.
Sightmark Citadel 1-6x24 SFP vs Primary Arms 1-6x24 Gen 3 SFP
Primary Arms is the cheaper one and for quite a great margin. It costs 339€, while the price of the Sightmark is 449€.
They weigh almost the same Sightmark has 460g and Primary Arms has 440g.
Primary Arms is a bit shorter in lenght. It is 254mm long, while Sightmark is 272mm.
They both have the same tube diameter, 30mm and also same diopter settings (-2/+2).
Parallex adjustment is the same. Both are fixed at 100yards (91m).
None of them has possibility of a Mounting rail.
Primary Arms comes in 3 colours, while Sightmark only has 1.
They have the same Minimal and Maximal magnification. Minimal is 1x and maximal is 6x.
Sightmark has slightly better maximal and minimal Field of View. Minimal is (6.3 m / 100 m) compared to Primary Arms (6.4 m / 100 m). Maximal is (38 m / 100 m) at Sightmark and (36,7 m / 100 m) at Primary arms.
Sightmark has better eye relief, 99mm compared to Primary arms 89mm.
None have Tunneling effect at low magnifications.
eye relief
filed of view
elevation
optical quality
bad edge sharpness
price
colours
weight
lenght
not as good edge sharpness
