Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Questions & Answers
Will this fit my PTR 114 A3SK 16"? my current handguns is 11 1/2 inches long Expert Answer

The AIM Sports Inc M-Lok Handgaurd for H&K 91 Carbine Variant should work with that rifle.

by Hunter, Gear Expert, May 23, 2023
Does this handguard fit Kel Tec Su16C? Thanks! Expert Answer

No, this handguard will not be compatible.

by Nick B., Gear Expert, August 27, 2021
Customer Reviews
Helpful Positive Review
Excellent for the money by Jim, November 1, 2019
I replaced the stock "wide" handguard on my HK93K/HK33K clone with this, and it's a great upgrade. It locks up nice and tight, feels sturdy, looks good, and works with a left-handed charging handle. Other aluminum handguards have additional rail spac...
Read More...
1/1 found this helpful
Helpful Positive Review
Needed fitting but solid by Judson Miers, Verified Owner, April 2, 2021
Needed some filing to fit on my Century C93, but I am a Cerakoter, so it was destined to be refinished anyway. Good solid fit after the light filing ans shaved precious pounds off of rhe rifle as compared to the HK wide forend with bipod.
1/1 found this helpful
Helpful Positive Review
H&K 91 handguard by Juan, February 13, 2021
Fit a bit loose on a C93 just put a spacer and it held up firm. Looks great over all and not too expensive. Light weight and mlok helped out a lot, you can pretty much mount anything you want. Would highly recommend to a friend!!
1/1 found this helpful
Helpful Positive Review
I needed a better alternative for my C93 HK clone than the original ugly HK handguard. I saw Aim Sport H&K 91 Carbine aluminum M-Lok handguard and said I think this would do nicely. I ordered it from Optics Planet at a Excellent Price plus Free Sh...
Read More...
1/1 found this helpful
Most Recent Reviews
not a bad handguard by Jet89, Verified Owner, September 28, 2025
The handguard itself feels fine but when mounting it to my rifle I got a unusual amount of play in it even though I've got to screw completely tightened down it still slides side to side forward and backwards and while it's not enough to come off the...
Read More...
Most Recent Reviews
21st Century Upgrade by Unreconstructed, Verified Owner, September 18, 2025
Perfect fit, easy install. Looks good, perfect machining and finish. Brings the HK platform into the 21st Century.
Read All 7 Reviews

AIM Sports with Amazing Deals Worth Targeting!

Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
In Stock
2 Models Available
Gas System Length
All
Search

Product Info for AIM Sports Inc M-Lok Handgaurd for H&K 91

This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-Lok accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern rail on the market.image

Specifications for AIM Sports Inc M-Lok Handgaurd for H&K 91:

Manufacturer: AIM Sports Inc
Gun Make: Heckler & Koch
Gun Model: Heckler & Koch HK91
Handguard Length: 12 in
Color: Black
Gun Rail: M-LOK
Weight: 7.5 oz
Condition: New
Included Accessories: Standard
Gun Type: Rifle
Quantity: 1

Features of AIM Sports Inc M-Lok Handgaurd for H&K 91

  • Compatible with most HK33 variants
  • made in specialized factories steel mounting hardware
  • Black anodized 6061 T6 aluminum
  • One piece drop-in design
  • 5 rows of M-Lok for ultimate modularity

Package Contents:

  • AIM Sports Inc M-Lok Handgaurd for H&K 91

AIM Sports Inc M-Lok Handgaurd for H&K 91 Orderable Models

List of Orderable Models

  • AIM Sports Inc M-LOK Handguard for H&K 91 Carbine Variant, Black, Medium, MMH91 , MPN: MMH91 , UPC: 815879017796 , Code: 77-FO-MMH91-MMH91
  • AIM Sports Inc M-LOK Handguard for H&K 91 Rifle Length, Black, Medium, MMH92 , MPN: MMH92 , UPC: 815879017802 , Code: 77-FO-MMH91-MMH92

AIM Sports Inc M-Lok Handgaurd for H&K 91 Unavailable & Discontinued Models

List of Unorderable Models

  • USED, AIM Sports Inc M-LOK Handguard for H&K 91 Rifle Length, Black, Medium, MMH92 , MPN: MMH92-EDEMO , Code: 77-FO-MMH91-MMH92-EDEMO-IN-C
Compare (0)