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An M1A does not have a continuous Picatinny rail over the system from the factory. This fixed base uses the existing mounting points on the receiver and the space of the stripper clip guide to provide a 15-slot rail for rings or another Picatinny optic mount.
The practical advantage is not only the rail length. The design rests on four contact points, leaves a channel open for the iron sights according to the manufacturer, and requires no permanent modification. Still, installation is not a simple snap-on process: the system must be removed from the stock and the original stripper clip guide removed.
The specific system matters, not just the model family
Leapers explicitly lists MNT-914V2 on the current product page for the Springfield Armory M1A. The current manufacturer manual and catalogs also use the designation M14/M1A. This does not imply a blanket approval for every M14 derivative: receiver slots, side threaded connection, and dovetail of the stripper clip guide must actually fit the existing system.
Checkpoint
Fits
Does not fit or needs clarification beforehand
Platform
Springfield Armory M1A with matching receiver and stripper clip guide geometry
other M14-like systems without confirmed dimensional and connection compatibility
Optic interface
Rings or mounts for a 15-slot Picatinny rail
direct M1A rings without Picatinny clamping or optics with other interfaces
Mounting type
fixed four-point base when repeatable positioning is more important than quick removal
desire for QD lever, tool-free change, or scout rail in front of the system
Installation
professional removal of the system and replacement of the stripper clip guide possible
no experience with system disassembly, pin driving, or required fitting work
Important mounting limit: The manual calls for a 3/32-inch roll pin punch, hammer, non-marking rubber hammer, and flathead screwdriver. It also notes that slight fitting work may be necessary on the new stripper clip guide and recommends installation by a competent gunsmith. “No permanent modification required” therefore does not mean “installable without disassembly or expertise.”
What the four contact points do
The manufacturer describes one contact via the stripper clip guide and three other points on the receiver. During installation, the side knurled screw is initially hand-tightened, the base lightly aligned with a non-marking hammer, and then secured. A top set screw is advanced until it contacts the receiver and locked by the right set screw. This interaction is meant to maintain zero; however, it does not replace a proper fit check or inspection after the first shooting sessions.
The top offers 15 cross-slotted Picatinny positions and, according to the current Leapers page, about six inches of usable optic space. This allows more flexible ring spacing than
at two individual housing points. This is especially helpful with longer scopes. However, rings are not included with this item and must match the rail, tube diameter, objective diameter, and desired build height.
The recessed center channel is designed for access to the mechanical sights. Whether the personal sight picture remains fully usable after mounting also depends on eye position, ring height, and scope body. The manufacturer's specification is therefore a constructive accessibility, not a guarantee for every optic configuration.
Our assessment
This solution makes sense if a classic M1A is to receive a longer, continuous Picatinny base and a permanently mounted optic is planned. The four-point mount is structurally much more specific than a universal adapter. That is exactly its strength and at the same time its limit: it requires a matching system geometry and careful installation.
For frequently changing optics, the base alone is not the QD element. A later quick change would have to be done via suitable Picatinny rings or a separate QD mount. Anyone who wants to carry the optic very low over the system should also calculate the total build height from base, rings, and optic before purchase; the manufacturer's height of 47 mm describes the outer height of the base and not automatically the optical axis height.
There is a real source contradiction regarding weight: Leapers USA currently publishes 5.5 oz or 156 g, UTG Taiwan states 5.7 oz. Since both specifications refer to the same model and do not explain any revision assignment, we do not provide a unified weight value as binding. The shipping weight stored in the shop remains unchanged and is not used as a technical manufacturer specification.
Buy or not buy?
Buy if: a Springfield Armory M1A with verified interface geometry is to receive a fixed 15-slot Picatinny base, enough space for freely selectable ring spacing is needed, and the professional removal of the system including replacement of the stripper clip guide is planned.
Do not buy if: the exact M14 variant is not clarified, a QD lever on the base is expected, a scout mount in front of the system is sought, rings are assumed to be included, or installation is to be done without system disassembly and possible adjustment work.
Instructor tip
First check the base, then mount the optic: unload the weapon, remove the magazine, and check the safe condition. After professional installation, first check without rings whether bolt travel, case ejection, controls, and the sight channel remain free. Only then determine ring spacing and eye relief. After the first reliable shooting series, check the four contact areas for movement and document the zero position.
Two more product-specific user tips
Do not force fit with screw force: The raised guides must sit in the intended housing slots. If the base wobbles or only comes into position with strong tightening, stop installation. The manual allows slight adjustment work on the stripper clip guide but recommends expert execution; it does not authorize machining the housing.
Plan ring height as a complete system: Consider objective diameter, tube, bolt clearance, mechanical sight, and cheek rest together. The long rail solves the longitudinal position, not automatically the correct height. Before final tightening, reproduce the stop position several times and note the same Picatinny slot for each ring.
Suitable active optics in the shop
The following products are live as ACTIVE and published in the online shop as tested. Both are offered with Picatinny rings but are not an automatic compatibility guarantee: ring height, eye relief, objective clearance, and the specific M1A configuration must fit separately.
UTG 4–16×44 scope
scope with rings – when a longer design with adjustable objective and variable ring spacing is intended.
UTG 4–16×44 Compact scope with rings – when a shorter optic should be tested at comparable magnification.
Technical Data
Manufacturer model
MNT-914V2
Product type
fixed, platform-specific Picatinny optic base
Current manufacturer compatibility
Springfield Armory M1A; manual and catalogs list the product family as M14/M1A, so other derivatives only after concrete fit check
Contact points
four contact points: stripper clip guide plus three points on the housing
Rail
15-slot, scalloped Picatinny; about 6 inch optic surface
Material and finish
precision milled aluminum, matte black anodized
Sight channel
structurally recessed for access to mechanical sights
Quick-Detach
no
Dimensions
155 × 47.3 × 47 mm; manufacturer order length × width × height
Weight information
Leapers USA: 156 g / 5.5 oz; UTG Taiwan: 5.7 oz. Source discrepancy without published revision assignment, so no unified target value
Permanent modification
not required according to manufacturer; removal of original stripper clip guide and possible minor fitting work remain necessary
Scope of delivery
Picatinny optic base MNT-914V2 with mounting-specific stripper clip guide
one 2.5 mm hex key
one 4 mm hex key
one M5-0.8 × 8 mm set screw with 2.5 mm hex key
multilingual operating and assembly instructions
Scope, Picatinny rings, firearm, 3/32 inch roll pin driver, hammer, non-marking rubber hammer and flat screwdriver are not listed as delivery components.
FAQ
Does the base fit every M14 or M1A? No, a general guarantee would not be reliable. The current Leapers product page names the Springfield Armory M1A. Manual and catalogs use M14/M1A as family designation; for other derivatives, housing slots, thread connection and dovetail of the stripper clip guide must be specifically checked.
Are scope rings included? No. The scope of delivery contains the platform-specific Picatinny base and the listed mounting parts. Rings must be chosen separately to fit Picatinny rail, tube diameter, objective clearance and desired build height.
Is the mechanical sight still usable? According to the manufacturer, the base has an accessible sight channel. Whether the complete sight picture remains practically free also depends on ring height, optic body and eye position and must be checked on the assembled system.
Can the mount be removed without tools? No. UTG Taiwan explicitly marks the model as not quick-detachable. The base is screwed and set up at four contact points; QD function would only be possible via separately suitable rings or an additional optic mount.
Does the firearm have to be permanently modified? The manufacturer says no permanent modification is required. For installation, the system must still be removed from the stock and the original stripper clip guide removed. Minor fitting work on the new guide may be necessary; the manual recommends a competent gunsmith.
Which weight is correct: 156 g or 5.7 oz? The current manufacturer pages contradict each other: Leapers USA states 156 g or 5.5 oz, UTG Taiwan 5.7 oz. Without published revision assignment, no unified target value can be derived. Therefore, both source values are shown transparently and the shop shipping weight is not used as a technical specification.
| ID | 9895208 |
| URL | https://www.gunfinder.com/items/9895208 |
| Category | Accessories / Zielfernrohrmontage |
| Condition | Neu |
| Location | 72479 Straßberg, Germany |
| Availability | In stock |
| Shipping costs paid by | Buyer |
