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Federal law requires that you be 21 years or age or older to purchase a stripped receiver or frame. If a frame or receiver can only be made into a long gun (rifle or shotgun), it is still a frame or receiver not a handgun or long gun. However, they still are “firearms” by definition, and subject to the same GCA limitations as any other firearms. See Section 921(a)(3)(b). 18 U.S.C. Section 922(b)(1) makes it unlawful for a licensee to sell any firearm other than a shotgun or rifle to any person under the age of 21
Inspired by the legendary Mk 12 Special Purpose Rifle, Stag Arms set out to design a useful and versatile rifle that offers today’s AR-15 enthusiast all the utility of the Mk 12 in a modern package. Much like the original Special Purpose Rifle was designed for greater effective range than an M4 Carbine, the Stag SPR was designed to offer greater effective range over our shorter carbine and pistol offerings in the lightweight AR-15 platform without stepping up to the larger Stag 10.
We started with a traditional 18″ SPR profile barrel for reduced weight while maintaining rigidity and accuracy. Chambered in 5.56 NATO with a 1/7 twist rate and a rifle-length gas system, allows the shooter to use a wide variety of projectiles including the Mk 262 77gr Open Tip Match round originally developed for the SPR program. We include a Stag mil-spec, Magnetic Particle Inspected M16 bolt and carrier group that is Salt Bath Nitride (QPQ) treated for longevity and ease of cleaning. The extra long, free float Stag 16.5″ Slimline handguard allows for increased accuracy, completely covers the low profile gas block and allows the user to customize their configuration to fit the mission with multiple M-Lok slots.
The modern take on the traditional rifle is completed with a Magpul MOE Rifle Stock, MOE Pistol Grip, MOE Enhanced trigger guard, PMAG and an A2 flash hider to reduce signature in low light and no light operation.
Weight: 6.5 lbs (est)
Length: 37.5″ (est)
Action: Semi-Auto Direct Impingement
Caliber: 5.56 NATO (also shoots .223)
Barrel: 18″, 4150 Steel, SPR Profile including OPS Inc collar, Black Nitride Coated (QPQ)
Twist Rate: 1/7 Button Rifled
Muzzle Device: A2 Flash Hider
Handguard: Stag 15 16.5″ Slimline M-LOK Handguard
Upper/Lower Receiver Material: Forged and Mil-Spec 7075 T6 Aluminum with FDE Cerakote
Bolt Carrier: Mil-spec M16 BCG, Black Nitride (QPQ), Magnetic Particle Inspected (MPI)
Gas System: Rifle Length with Low Profile Gas Block
Charging Handle: Standard Mil-Spec
Buttstock: Magpul MOE Rifle Stock
Buffer: Rifle Buffer and Spring
Trigger: Mil-Spec Single Stage Trigger with Magpul MOE Enhanced Trigger Guard
Grip: Magpul MOE Pistol Grip
Magazine: 30rd PMAG
Safety Selector: Right Hand