# Griffin Armament MK1 Tactical 5.56 NATO Semi-Auto Carbine **Brand:** Griffin Armament **Category:** Semi-Automatic Rifles **Caliber:** 5.56 NATO ## Specifications - **Caliber:** 5.56 NATO - **Barrel Length:** 14.5" - **Capacity:** 30 rounds - **Finish:** SYNTHETIC - **Weight:** 111.2 oz - **Overall Length:** 31" - **UPC:** 791154082690 - **SKU:** UCDvZxu4o ## Description The Griffin Armament MK1 is a semi-automatic carbine chambered in 5.56x45mm NATO with a 14.5-inch barrel. At 6.95 lbs, it runs a 7075 T6 aluminum receiver with anodized black finish and a synthetic frame. Ships with flip-up front and rear sights and ambidextrous safety. ### Key Specifications - **Caliber:** 5.56x45mm NATO - **Action:** Semi-Automatic - **Capacity:** 30 Rounds - **Barrel Length:** 14.5 inches - **Weight:** 6.95 lbs. - **Finish:** Black - **Frame Material:** Synthetic - **Receiver Material:** 7075 T6 Aluminum - **Receiver Finish:** Anodized Black ### Detailed Features The 7075 T6 aluminum receiver is harder and more corrosion-resistant than the more common 6061 alloy used in lower-cost ARs. The 14.5-inch barrel keeps the overall length compact while staying within common NFA-free configurations when pinned with an appropriate muzzle device. Flip-up sights are included and work as a backup to any optic you add. The ambidextrous safety is a useful feature for left-handed shooters or anyone who works from awkward positions. ### Usage The MK1 fits competitive shooting, tactical training, and home defense roles. The 30-round magazine capacity and 5.56 chambering are standard for this use case. Recoil is manageable at 6.95 lbs. Griffin Armament is a suppressor-focused manufacturer, so the MK1's threading and gas system are designed with suppressor use in mind if that's relevant to your setup. ## Frequently Asked Questions **Q: What caliber is the Griffin Armament MK1?** A: The MK1 is chambered in 5.56x45mm NATO. **Q: What is the barrel length of the Griffin Armament MK1?** A: It has a 14.5-inch barrel. **Q: How many rounds does the Griffin Armament MK1 hold?** A: It has a 30+1 capacity. **Q: Who makes the MK1 Patrol Carbine?** A: Griffin Armament makes the MK1. **Q: What type of firearm is the Griffin Armament MK1?** A: It is a semi-automatic carbine in the AR-15 pattern. **Q: What receiver material does the Griffin Armament MK1 use?** A: The receiver is made from 7075 T6 aluminum with an anodized black finish. **Q: Does the Griffin Armament MK1 come with sights?** A: Yes, it ships with flip-up front and rear sights. It also has an ambidextrous safety. **Q: Where can I buy the Griffin Armament MK1?** A: Compare current vendor offers on this page. ## What Reviewers Say *Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.* > I think they shoot great both of them i have no complaints. > > — [Richardson Precision & Training](https://www.youtube.com/watch?v=Zk26hl4a02w&t=103s) > The main selling point on this rifle that makes it so unique and so different fully ambi receiver so you got your bolt catch and your mag release accessible whether you're a righty or a lefty. > > — [Richardson Precision & Training](https://www.youtube.com/watch?v=Zk26hl4a02w&t=166s) > My money is on the mark i but the mark 1 it's been a workhorse for a long time. > > — [Richardson Precision & Training](https://www.youtube.com/watch?v=Zk26hl4a02w&t=202s) ## What Customers Say *AI-generated insights from customer reviews* Discussions about the Griffin Armament MK1 center on build quality, price, and performance relative to other 5.56 carbines in the premium tier. Positive feedback focuses on the lightweight design, accuracy, and materials. The 7075 T6 receiver and attention to tolerances get specific mention from users who have compared it hands-on to other AR-platform rifles. The adjustable stock and handguard customization options are appreciated. Criticism lands mainly on price and aftermarket availability. The MK1 costs more than mainstream AR manufacturers, and some users question whether the premium is justified for general-purpose use. Accessories specifically made for the MK1 are limited compared to the broader AR market, though the platform accepts most mil-spec AR components. Ammo sensitivity and shipping delays come up occasionally in retailer discussions. Performance with different ammunition types is a common comparison thread, with most users reporting reliable function across standard 5.56 loads. ## Pricing **2 offers available** | Vendor | Price | |--------|-------| | Buds Gun Shop | $1276.49 | | Guns Com | $1650.99 | ## Similar Products - [Griffin Armament MK1 Patrol 5.56 NATO Semi-Auto Carbine, 30+1 Rounds](https://gunsnation.com/p/griffin-armament-mk1-patrol-5-56-nato-semi-auto-carbine-30-1-rounds/UCDvZxuAC) - [Griffin Armament MK1 Recce 5.56 - Precision Sport Rifle, 16" Barrel](https://gunsnation.com/p/griffin-armament-mk1-recce-5-56-precision-sport-rifle-16-barrel/UCDvZxuAJ) - [Griffin Armament MK2 RECCE 5.56 NATO 16.1in](https://gunsnation.com/p/griffin-armament-mk2-recce-5-56-nato-16-1in/UCC8VSsdr) - [Griffin Armament MK2 Patrol 5.56 NATO 14.5in](https://gunsnation.com/p/griffin-armament-mk2-patrol-5-56-nato-14-5in/UCC8VSsq8) - [Knights Armament SR15 MOD2 Gen 2 5.56 NATO Tactical Rifle - Black](https://gunsnation.com/p/knights-armament-sr15-mod2-gen-2-5-56-nato-tactical-rifle-black/UCEQ2n8b0) - [Griffin Armament MK1 Recce .223 Wylde 16in FDE](https://gunsnation.com/p/griffin-armament-mk1-recce-223-wylde-16in-fde/UCB7GwrlQ) --- *Data from [GunsNation](https://gunsnation.com)*