Primary Weapons Systems MK116
The MK116 is PWS's 16.1-inch MK1 (AR-15) long-stroke piston rifle, offered as the MOD 2-M ambidextrous rifle, the Compound hybrid (MOD 1 upper with forward assist on a MOD 2 lower), and the budget-oriented PRO with a 6061 extruded upper. Complete uppers are also sold in MOD 1-M and MOD 2-M in .223 Wylde and 7.62x39.
Cajun Gun And Gear in Lafayette is an authorized Primary Weapons Systems dealer. Whether or not the MK116 is on our shelf today, we can order any current configuration for you — call 337.999.0373 or stop in.
Primary Weapons Systems MK116 Specs
| Model | Barrel | Weight | Finish | Maker base price |
|---|---|---|---|---|
| MK116 MOD 2-M Rifle .223 Wylde | 16.1", 1:8 twist | 6.8 lbs unloaded | Anodized 7075-T651 forged aluminum receiver | $2,309.95 |
| MK116 Compound Rifle .223 Wylde | 16.1", 1:8 twist | 6.2 lbs unloaded | Type III Class 2 hard coat anodized lower, anodized upper | $2,067.95 |
| MK116 PRO Rifle .223 Wylde | 16.1", 1:8 twist | 6.9 lbs unloaded | Type III Class 2 hard coat anodized lower, anodized upper | $1,349.95 |
| MK116 MOD 2-M Upper .223 Wylde | 16.1" | Not published | Not published | $1,499.95 |
| MK116 MOD 2-M Upper 7.62x39 | 16.1", 1:10 twist | 4.7 lbs (upper only) | Not published | $1,499.95 |
| MK116 MOD 1-M Upper .223 Wylde | 16.1" | Not published | Not published | $1,299.95 |
| MK116 MOD 1-M Upper 7.62x39 | 16.1" | Not published | Not published | $1,299.95 |
| MK116 PRO Upper | 16.1" | Not published | Not published | $799.95 |
Specs and base prices as published by the maker; options and pricing change, so confirm with us before you buy.
Key features
- PWS long-stroke piston system with 3-setting adjustable gas
- PicLok (Picatinny + M-LOK) handguard on MOD 2-M; 15" full-length M-LOK on Compound and PRO
- PWS FRC 2-Port Compensator, suppressor compatible (Rearden Atlas mount) on MOD 2-M and Compound; A2 flash hider on PRO
- Ambidextrous forged lower with no forward assist (MOD 2-M)
- Radian Raptor ambidextrous charging handle
- Mil-spec enhanced PTFE-coated trigger, 5.5-6.5 lb
- Magpul MOE SL stock and MOE K2 grip
- SubMOA guarantee with high-quality ammunition
Who the MK116 is for
A do-everything 16-inch piston AR for duty, home defense or suppressed shooting.
Comparing options? Other Primary Weapons Systems rifles to look at: MK114, MK118, MK216 MOD 2-M, Alpha, UXR. Or see the full Primary Weapons Systems lineup.
What comes in the box
Primary Weapons Systems does not publish box contents for this model. Ask us and we will confirm before you order.
Primary Weapons Systems MK116 FAQ
What calibers is the MK116 available in?
The MK116 is offered in .223 Wylde (.223 Rem / 5.56 NATO), 7.62x39.
What versions of the MK116 are there?
Primary Weapons Systems lists these versions: MK116 MOD 2-M Rifle .223 Wylde; MK116 Compound Rifle .223 Wylde; MK116 PRO Rifle .223 Wylde; MK116 MOD 2-M Upper .223 Wylde; MK116 MOD 2-M Upper 7.62x39; MK116 MOD 1-M Upper .223 Wylde; MK116 MOD 1-M Upper 7.62x39; MK116 PRO Upper.
How much does the MK116 cost?
Primary Weapons Systems lists base pricing of $800–$2,310 for the versions in the table above, before options. Call us for current pricing and availability.
How much does the MK116 weigh?
MK116 MOD 2-M Rifle .223 Wylde: 6.8 lbs unloaded; MK116 Compound Rifle .223 Wylde: 6.2 lbs unloaded; MK116 PRO Rifle .223 Wylde: 6.9 lbs unloaded; MK116 MOD 2-M Upper 7.62x39: 4.7 lbs (upper only).
Who is the MK116 best for?
A do-everything 16-inch piston AR for duty, home defense or suppressed shooting.
Is the MK116 in stock at Cajun Gun And Gear?
Check the products below for what is on our shelf right now. If the configuration you want is not listed, we can order any current Primary Weapons Systems MK116 — call 337.999.0373 or email us.
Is Cajun Gun And Gear an authorized Primary Weapons Systems dealer?
Yes. Cajun Gun And Gear in Lafayette, Louisiana is an authorized Primary Weapons Systems dealer. Visit us at 108 Youngsville Hwy, Lafayette, LA 70508 or call 337.999.0373.
Buy Primary Weapons Systems in Louisiana
Cajun Gun And Gear is an authorized Primary Weapons Systems dealer in Lafayette, Louisiana. Our shop is at 108 Youngsville Hwy, Lafayette, LA 70508 (Mon–Fri 9–6, Sat 10–2). Stock comes and goes, and we can order any current model even when it is not on the shelf — call 337.999.0373, email us, or stop in. Out-of-state buyers: we ship to your local FFL dealer, who completes the transfer paperwork.