Description
The Griffin MK2 Ambi Lower is the ideal foundation for your next rifle build. Precisely machined from high-grade 7075-T6 aluminum to exact tolerances, the MK2 lower is a premium rifle platform offering proper fitment and utility with mil-spec lower components. To enhance durability, the MK2 lower is hardcoat type 3 anodized for superior resistance to surface wear, scuffs, scratches, and discoloration from cleaning solvents and oils. Included with this lower are Griffin’s ambi magazine release and ambi bolt catch & release controls offering increased usability for right and left-handed shooters.
Upgrade your next build with the full-ambi MK2 lower receiver for a superior rifle foundation.
CLICK HERE FOR MANUAL
Features:
- Machined from Custom Forged 7075-T6 Aluminum
- Ambidextrous Mag Release & Bolt Catch and Release Controls
- Hardcoat Type 3 Anodized Black Finish
- Mil-Spec Fire Control Pocket
- 60° Magazine Well for Consistent Re-loads
- Premium In-Machine De-Burring & De-Flashing
- Integrated Trigger Guard
Included Controls:
- Right Side Bolt Catch & Release
- Left Side Bolt Catch & Release
- Left Side Magazine Release
Note: This stripped lower does not include the standard right-side magazine release button.
Specs:
- Weight: 8.9oz (Stripped)
*This is a regulated item. Please choose your preferred transferring dealer at checkout







Rye –
great ambi controls without high price tag.
James Boone –
I have purchased 5 of these lowers for builds and in my opinion they are the best on the market. Would highly recommend. They are my go to for ambi lowers.
Nick –
This lower punches well above the price point. I have only used one but will be ordering at least one more. I might even snag the Terra Brown!
Chris –
First off love the lower griffin had a great deal for us hard working Americans for the holidays. The lower is beautiful looks amazing. Had hiccup in the process and they fixed everything in a speedy way. Thank you for the awesome lower and communication and taking care of me.i will be a returning customer. If your on the fence grab this lower amazing piece. And if worried about anything dont .griffin is good to go.thank you griffin
K House –
I mean, it’s the UIC from the original designer without the ‘designer’ price gouging. I ordered two of these and they both mated up PERFECT with two BCM uppers. Zero play or wobble, and the Ambi bolt release requires the least amount of effort of all Ambi lowers I’ve tried so far.
You’d better believe that probably all of my rifles will be getting this lower in the future.
Congrats to Griffin for being able to use their own design! ??
Erick M –
Better than expected ! I love this lower, functionality , quality , fit & finish , & to top it all off , the price !!! What a gem ?!! Truly satisfied with this purchase . Please Please Please Griffin Armament , don’t change a thing !!!
Brandon Mengel –
The lower was exactly what i was looking for and is my recommendation to anyone who’s looking for an ambi lower. Has everything you need the ambi mag release is protected, yet still functional. Ambi bolt release is easily accessible. The lockup with my uppers is solid, no wobble. All around great product, really happy with it.
Prefer this lower receiver over my Radian ADAC lower too. The finish on the radian is better, but I prefer the controls and lesser weight of the griffin lower.
A minor addition I would like to ask for, is for griffin to include the mag release button just so it matches the rest of the controls, its minor but im a little OCD.
BP –
I’ve got two of these lowers now, on a 14.5″ and 12.5″, and I absolutely love them. I paired them both with a driver arms flared magwell and grip and it feels like money. Manipulation of the safety and ambi mag release is super easy at odd angles with this combo for smaller hands.
Raymond Byler (verified owner) –
My favorite lower, very intuitive controls, great price, m16 pocket cut which is based af. Only gripe is I’m not rich enough to buy 20 of them