Furniture consists of a Magpul CTR 6-position collapsible buttstock with enhanced cheek weld, rubber butt bad and ambidextrous quick-detach sling swivel receptacle. The pistol grip is a Magpul MOE+, but an Ergo soft textured grip is a no-cost option.

Our favorite standard component on the OPR is its outstanding Geissele Super Dynamic trigger
Our favorite standard component on the OPR is its outstanding Geissele Super Dynamic trigger

The trigger is one you’ll never even consider upgrading—because this one is already about as good as it gets. You can take your pick of a Geissele Super Dynamic Combat or Super Dynamic Enhanced 2-stage trigger group as a no-cost option. Our sample carbine was fitted with the Super Dynamic Enhanced trigger group. The first-stage pull weight measured 2 lbs. 5 oz., and the second stage 1 lb. 3 oz. every time—just like advertised. There was zero creep, stacking or over travel—truly a world-class trigger that would set you back $280 if you had to buy it separately.

Out back the OPR comes equipped with Magpul furniture, including a CTR buttstock and MOE handgrip
Out back the OPR comes equipped with Magpul furniture, including a CTR buttstock and MOE handgrip

The M16 profile bolt carrier group is designed to run hard and last long. Machined from Carpenter No. 158 steel, it is high pressure tested and magnetic particle inspected. The carrier, bolt, toggle firing pin and properly staked gas key are all Nickel-Boron plated for high lubricity and reduced wear. Other premium components include a BCM Mod. 4 Gunfighter 7075 aluminum charging handle with extended latch lock and a heavy-duty H2 buffer.

For testing we installed a Magpul MOE M-Lok MVG vertical foregrip ($22.95) on the 6 o’clock M-Lok flat, as well as a Magpul M-Lok QD Sling Mount ($19.95) and a Magpul M-Lok Aluminum 3-Slot Rail ($17.95) to the 9 o’clock M-Lok flat.

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